Issue:
Bug: [FEATURE] Add support for card extended bin in payment attempt



### Feature Description

Card extended bin is initial 8 digit of card number. we need this field to be sent in payment attempt so that merchant can block payments based on this field too

### Possible Implementation

Add a new field `card_extended_bin` in `AdditionalCardInfo`

### Have you spent some time checking if this feature request has been raised before?

- [X] I checked and didn't find a similar issue

### Have you read the Contributing Guidelines?

- [X] I have read the [Contributing Guidelines](https://github.com/juspay/hyperswitch/blob/main/docs/CONTRIBUTING.md)

### Are you willing to submit a PR?

Yes, I am willing to submit a PR!

Pull request description:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [x] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Card extended bin is the initial 8 digits of card number. we need this field to be sent in payment attempt so that merchant can block payments based on this field too.
This PR adds a new field `card_extended_bin` in `AdditionalCardInfo` struct which is mapped to `payment_method_data` in `payment_attempt` table. Also this field is added in payments retrieve response too.

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

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2. `crates/router/src/configs`
3. `loadtest/config`
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## Motivation and Context
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## How did you test it?
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Did you write an integration/unit/API test to verify the code changes?
Or did you test this change manually (provide relevant screenshots)?
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1. Do a payment with card. You should be getting the `card_extended_bin` field in response

![image](https://github.com/juspay/hyperswitch/assets/70657455/ff2a0da3-ef7b-4415-9c15-e49bcd3f43f4)

2. Do a payment retrieve call using the `payment_id` from above call. You should get `card_extended_bin` field in response

![image](https://github.com/juspay/hyperswitch/assets/70657455/f8947f6b-bfbb-4a26-a4a6-8bf29c0d9a12)


## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt --all`
- [x] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable


Testing:

1. Do a payment with card. You should be getting the `card_extended_bin` field in response

![image](https://github.com/juspay/hyperswitch/assets/70657455/ff2a0da3-ef7b-4415-9c15-e49bcd3f43f4)

2. Do a payment retrieve call using the `payment_id` from above call. You should get `card_extended_bin` field in response

![image](https://github.com/juspay/hyperswitch/assets/70657455/f8947f6b-bfbb-4a26-a4a6-8bf29c0d9a12)

Patch:
diff --git a/crates/api_models/src/payments.rs b/crates/api_models/src/payments.rs
index 4ef0c540b51..7cc9296815b 100644
--- a/crates/api_models/src/payments.rs
+++ b/crates/api_models/src/payments.rs
@@ -1129,6 +1129,7 @@ pub struct AdditionalCardInfo {
     pub bank_code: Option<String>,
     pub last4: Option<String>,
     pub card_isin: Option<String>,
+    pub card_extended_bin: Option<String>,
     pub card_exp_month: Option<Secret<String>>,
     pub card_exp_year: Option<Secret<String>>,
     pub card_holder_name: Option<Secret<String>>,
@@ -1665,6 +1666,7 @@ pub struct CardResponse {
     pub card_issuer: Option<String>,
     pub card_issuing_country: Option<String>,
     pub card_isin: Option<String>,
+    pub card_extended_bin: Option<String>,
     pub card_exp_month: Option<Secret<String>>,
     pub card_exp_year: Option<Secret<String>>,
     pub card_holder_name: Option<Secret<String>>,
@@ -1707,7 +1709,7 @@ pub enum VoucherData {
 #[serde(rename_all = "snake_case")]
 pub enum PaymentMethodDataResponse {
     #[serde(rename = "card")]
-    Card(CardResponse),
+    Card(Box<CardResponse>),
     BankTransfer,
     Wallet,
     PayLater,
@@ -2037,7 +2039,7 @@ pub struct PaymentsResponse {
     #[schema(example = 100)]
     pub amount: i64,
 
-    /// The payment net amount. net_amount = amount + surcharge_details.surcharge_amount + surcharge_details.tax_amount,  
+    /// The payment net amount. net_amount = amount + surcharge_details.surcharge_amount + surcharge_details.tax_amount,
     /// If no surcharge_details, net_amount = amount
     #[schema(example = 110)]
     pub net_amount: i64,
@@ -2528,6 +2530,7 @@ impl From<AdditionalCardInfo> for CardResponse {
             card_issuer: card.card_issuer,
             card_issuing_country: card.card_issuing_country,
             card_isin: card.card_isin,
+            card_extended_bin: card.card_extended_bin,
             card_exp_month: card.card_exp_month,
             card_exp_year: card.card_exp_year,
             card_holder_name: card.card_holder_name,
@@ -2538,7 +2541,7 @@ impl From<AdditionalCardInfo> for CardResponse {
 impl From<AdditionalPaymentData> for PaymentMethodDataResponse {
     fn from(payment_method_data: AdditionalPaymentData) -> Self {
         match payment_method_data {
-            AdditionalPaymentData::Card(card) => Self::Card(CardResponse::from(*card)),
+            AdditionalPaymentData::Card(card) => Self::Card(Box::new(CardResponse::from(*card))),
             AdditionalPaymentData::PayLater {} => Self::PayLater,
             AdditionalPaymentData::Wallet {} => Self::Wallet,
             AdditionalPaymentData::BankRedirect { .. } => Self::BankRedirect,
diff --git a/crates/cards/src/validate.rs b/crates/cards/src/validate.rs
index ca47c73c7c2..900f006eb4d 100644
--- a/crates/cards/src/validate.rs
+++ b/crates/cards/src/validate.rs
@@ -35,6 +35,9 @@ impl CardNumber {
             .rev()
             .collect::<String>()
     }
+    pub fn get_card_extended_bin(self) -> String {
+        self.0.peek().chars().take(8).collect::<String>()
+    }
 }
 
 impl FromStr for CardNumber {
diff --git a/crates/router/src/core/payments/helpers.rs b/crates/router/src/core/payments/helpers.rs
index d864cacc52f..17cc608d82d 100644
--- a/crates/router/src/core/payments/helpers.rs
+++ b/crates/router/src/core/payments/helpers.rs
@@ -3287,6 +3287,7 @@ pub async fn get_additional_payment_data(
     match pm_data {
         api_models::payments::PaymentMethodData::Card(card_data) => {
             let card_isin = Some(card_data.card_number.clone().get_card_isin());
+            let card_extended_bin = Some(card_data.card_number.clone().get_card_extended_bin());
             let last4 = Some(card_data.card_number.clone().get_last4());
             if card_data.card_issuer.is_some()
                 && card_data.card_network.is_some()
@@ -3306,6 +3307,7 @@ pub async fn get_additional_payment_data(
                         card_holder_name: card_data.card_holder_name.clone(),
                         last4: last4.clone(),
                         card_isin: card_isin.clone(),
+                        card_extended_bin: card_extended_bin.clone(),
                     },
                 ))
             } else {
@@ -3329,6 +3331,7 @@ pub async fn get_additional_payment_data(
                                 card_issuing_country: card_info.card_issuing_country,
                                 last4: last4.clone(),
                                 card_isin: card_isin.clone(),
+                                card_extended_bin: card_extended_bin.clone(),
                                 card_exp_month: Some(card_data.card_exp_month.clone()),
                                 card_exp_year: Some(card_data.card_exp_year.clone()),
                                 card_holder_name: card_data.card_holder_name.clone(),
@@ -3344,6 +3347,7 @@ pub async fn get_additional_payment_data(
                         card_issuing_country: None,
                         last4,
                         card_isin,
+                        card_extended_bin,
                         card_exp_month: Some(card_data.card_exp_month.clone()),
                         card_exp_year: Some(card_data.card_exp_year.clone()),
                         card_holder_name: card_data.card_holder_name.clone(),