Prepare for 11.4.1 patch release

[scpeters]

🎈 Release

Preparation for 11.4.1 release.

Comparison to 11.4.0: sdformat11_11.4.0...sdf11

Quick patch release for #890. Needed by osrf/homebrew-simulation#1834

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 ignition-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.

[chapulina]

Thanks!

[codecov-commenter]

Codecov Report

Merging #892 (1c07868) into sdf11 (f9e3e3d) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##            sdf11     #892   +/-   ##
=======================================
  Coverage   88.91%   88.91%           
=======================================
  Files          73       73           
  Lines       11094    11094           
=======================================
  Hits         9864     9864           
  Misses       1230     1230           

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