fix: adjust-checkout fetch depth

[oZakari]

Overview/Summary

This pull request includes changes to the GitHub Actions workflows to improve the validation process for queries and recommendations. The most important changes involve modifying the checkout process and adding a sanity check step.

N/A

Breaking Changes

None

As part of this pull request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Ensured PR tests are passing
• Performed testing and provided evidence (e.g. screenshot of output) for any changes associated to ARG queries
• Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)