feat: add macro for golden file support in tests

[milapsheth]

Description

Adds a macro to make any test work with golden files easily

Todos

• [x] Unit tests
• [x] Manual tests
• [ ] Documentation
• [ ] Connect epics/issues

Steps to Test

Expected Behaviour

Other Notes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 97.01493% with 2 lines in your changes missing coverage. Please review.

Project coverage is 93.17%. Comparing base (b338aff) to head (8ad5cd9).

Files	Patch %	Lines
packages/golden-test-macro/src/lib.rs	96.87%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## feat/its-hub-api #493 +/- ## ==================================================== - Coverage 93.19% 93.17% -0.02% ==================================================== Files 185 186 +1 Lines 24713 24687 -26 ==================================================== - Hits 23031 23003 -28 - Misses 1682 1684 +2 ```

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