Prepare for 10.1.1 Release

[azeey]

🎈 Release

Preparation for 10.1.1 release.

Comparison to 10.1.0: https://github.com/gazebosim/gz-msgs/compare/gz-msgs10_10.1.0...gz-msgs10

Needed by <PR(s)>

Checklist

• [ ] Asked team if this is a good time for a release
• [ ] There are no changes to be ported from the previous major version
• [ ] No PRs targeted at this major version are close to getting in
• [ ] Bumped minor for new features, patch for bug fixes
• [ ] Updated changelog
• [ ] Updated migration guide (as needed)
• [ ] Link to PR updating dependency versions in appropriate repository in gazebo-release (as needed):

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.19%. Comparing base (f253f69) to head (ade959c).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## gz-msgs10 #431 +/- ## ========================================== Coverage 98.19% 98.19% ========================================== Files 27 27 Lines 1166 1166 ========================================== Hits 1145 1145 Misses 21 21 ```

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