DM-55548: Add v30.0.10 release notes

[timj]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.26%. Comparing base (848d245) to head (fa730db).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #97   +/-   ##
=======================================
  Coverage   85.26%   85.26%           
=======================================
  Files          19       19           
  Lines        4417     4417           
  Branches      463      463           
=======================================
  Hits         3766     3766           
  Misses        575      575           
  Partials       76       76           

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