Prepapre for 13.2.0 prerelease

[iche033]

🎈 Release

Preparation for 13.2.0~pre1 release.

Comparison to 13.1.0: gz-transport13_13.1.0...prep_13.2.0pre1

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]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.85%. Comparing base (eac2e69) to head (04a2c88).
Report is 9 commits behind head on gz-transport13.

Additional details and impacted files

@@                Coverage Diff                 @@
##           gz-transport13     #488      +/-   ##
==================================================
+ Coverage           87.69%   87.85%   +0.16%     
==================================================
  Files                  59       59              
  Lines                5704     5706       +2     
==================================================
+ Hits                 5002     5013      +11     
+ Misses                702      693       -9     

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