Update release file with additional information

[jasonwilliams14]

Proposed changes

Update release.md file with additional information for 3.1 release.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• [ x] I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (main@b337e5f). Click here to learn what that means.
The diff coverage is n/a.

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