Update release checklist

[ThomasLaPiana]

Code Changes

• [ ] add functionality checks for ctl features
• [ ] add UI feature checks
• [ ] update ops feature checks

Steps to Confirm

• [ ] list any manual steps taken to confirm the changes

Pre-Merge Checklist

• [ ] All CI Pipelines Succeeded
• Documentation Updated:
  • [ ] documentation complete, or draft/outline provided (tag docs-team to complete/review on this branch)
  • [ ] documentation issue created (tag docs-team to complete issue separately)
• [ ] Issue Requirements are Met
• [ ] Relevant Follow-Up Issues Created
• [ ] Update CHANGELOG.md

Description Of Changes

This PR updates the release checklist, so that we have a baseline of quality for every single release, including the initial release of unified-fides

[ThomasLaPiana]

@NevilleS @seanpreston @Kelsey-Ethyca would be happy to hear your input here as well (along with anyone else)