Issue:
Bug: [DOC] update cypress docs



current docs are pretty much outdated

Pull request description:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [x] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

Existing [docs](https://github.com/juspay/hyperswitch/tree/main/cypress-tests) are outdated to an extent and miss many feature updates.

closes https://github.com/juspay/hyperswitch/issues/6955

### 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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Update.

## 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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Nah!

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `npm run format && npm run lint -- --fix`
- [ ] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible


Testing:


Nah!

Patch: