Prepare for 2.0.2 Release

[azeey]

🎈 Release

Preparation for 2.0.2 release.

Comparison to 2.0.1: gz-plugin2_2.0.1...gz-plugin2

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

Merging #125 (d411385) into gz-plugin2 (b1f379d) will not change coverage.
The diff coverage is n/a.

❗ Current head d411385 differs from pull request most recent head 558a476. Consider uploading reports for the commit 558a476 to get more accurate results

@@             Coverage Diff             @@
##           gz-plugin2     #125   +/-   ##
===========================================
  Coverage       98.26%   98.26%           
===========================================
  Files              23       23           
  Lines             748      748           
===========================================
  Hits              735      735           
  Misses             13       13