feat: Updated CONTRIBUTING.md

Author: sweep-ai[bot]

CONTRIBUTING.md

@@ -28,6 +28,8 @@ Please follow our README for [instructions on installing from source](https://gi
 
 ## Style guide
 
+* **Newly Added:** Refer to the test_fix_github_actions.py file for fixing any test failures.
+
 Before submitting any contributions, please ensure that it adheres to
 our [Style Guide](docs/StyleGuide.md).
 
@@ -138,3 +140,5 @@ All submitted pull requests are also automatically
 run against our test suite via [Github Actions](https://github.com/timescale/timescaledb/actions)
 (that link shows the latest build status of the repository).
 
+Additionally, please refer to the test_fix_github_actions.py file for fixing any test failures.
+