Bump Version 1.21.2

[Der-Henning]

Pull Request Checklist

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Did you make your Pull Request on the dev branch?
• Does your submission pass tests? make test
• Have you lint your code locally prior to submission? make lint
• Could you build and run the docker images successfully? make images
• Could you create a running executable? make executable
• Have you added an explanation of what your changes do and why you'd like to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran manual tests with your changes locally?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.41%. Comparing base (2b2322d) to head (c1fbe4e).
Report is 34 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #515      +/-   ##
==========================================
- Coverage   64.92%   64.41%   -0.52%     
==========================================
  Files          26       27       +1     
  Lines        2281     2467     +186     
==========================================
+ Hits         1481     1589     +108     
- Misses        800      878      +78     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.