Issue:
Bug: Logging framework - add connector name for all payment CRUD API calls



Add connector name labels for payment CRUD (create/confirm/void/redirect/update/retrieve) API’s to ES


Pull request description:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Adding connector_name from the moment its available into logs for better search on ELS/Loki

### 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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Following are the paths where you can find config files:
1. `config`
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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make a payment confirm api call
check for `connector_name` field in golden_log_line (can search loki with `{golden_log_line="true"}` query and find the log with request_id)

Impacted Area -> Application IO level logs

![image](https://github.com/juspay/hyperswitch/assets/21202349/1fe15d2f-187a-4525-8674-eca623da43a6)



## Checklist
<!-- Put an `x` in the boxes that apply -->

- [ ] I formatted the code `cargo +nightly fmt --all`
- [ ] I addressed lints thrown by `cargo clippy`
- [ ] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable


Testing:



make a payment confirm api call
check for `connector_name` field in golden_log_line (can search loki with `{golden_log_line="true"}` query and find the log with request_id)

Impacted Area -> Application IO level logs

![image](https://github.com/juspay/hyperswitch/assets/21202349/1fe15d2f-187a-4525-8674-eca623da43a6)

Patch:
diff --git a/crates/router/src/services/api.rs b/crates/router/src/services/api.rs
index 3730c5bf9a4..feaa59485d6 100644
--- a/crates/router/src/services/api.rs
+++ b/crates/router/src/services/api.rs
@@ -265,7 +265,7 @@ pub enum CaptureSyncMethod {
 /// Handle the flow by interacting with connector module
 /// `connector_request` is applicable only in case if the `CallConnectorAction` is `Trigger`
 /// In other cases, It will be created if required, even if it is not passed
-#[instrument(skip_all, fields(payment_method))]
+#[instrument(skip_all, fields(connector_name, payment_method))]
 pub async fn execute_connector_processing_step<
     'b,
     'a,
@@ -285,6 +285,7 @@ where
 {
     // If needed add an error stack as follows
     // connector_integration.build_request(req).attach_printable("Failed to build request");
+    tracing::Span::current().record("connector_name", &req.connector);
     tracing::Span::current().record("payment_method", &req.payment_method.to_string());
     logger::debug!(connector_request=?connector_request);
     let mut router_data = req.clone();