Issue:
Bug: [Documentation] Update Readme link 



### Feature Description

- [x] Replace stale link in the readme file #1019

### Possible Implementation

NA

### Have you spent some time to check if this feature request has been raised before?

- [X] I checked and didn't find 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
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [x] Documentation
- [ ] CI/CD

## Description
Update the link to hyperswitch blog. The link was broken


### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

<!-- 
Provide links to the files with corresponding changes.

Following are the paths where you can find config files:
1. `config`
2. `crates/router/src/configs`
3. `loadtest/config`
-->


## Motivation and Context
Update the link to hyperswitch blog. The link was broken


## How did you test it?
Not applicable


## Checklist
<!-- Put an `x` in the boxes that apply -->

- [ ] I formatted the code `cargo +nightly fmt --all`
- [ ] I addressed lints thrown by `cargo clippy`
- [x] I reviewed submitted code
- [ ] I added unit tests for my changes where possible
- [ ] I added a [CHANGELOG](/CHANGELOG.md) entry if applicable


Testing:
Not applicable

Patch:
diff --git a/README.md b/README.md
index 89f6e94f4df..128c39a3ec7 100644
--- a/README.md
+++ b/README.md
@@ -259,7 +259,7 @@ Get updates on HyperSwitch development and chat with the community:
 - Join our [Slack workspace][slack].
 - Ask and explore our [GitHub Discussions][github-discussions].
 
-[blog]: https://blog.hyperswitch.io
+[blog]: https://hyperswitch.io/blog
 [discord]: https://discord.gg/wJZ7DVW8mm
 [slack]: https://join.slack.com/t/hyperswitch-io/shared_invite/zt-1k6cz4lee-SAJzhz6bjmpp4jZCDOtOIg
 [github-discussions]: https://github.com/juspay/hyperswitch/discussions