Master branch updates

[chapulina]

Part of gazebo-tooling/release-tools#416

Summary

Update all usage of master

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge

[codecov]

Codecov Report

Merging #224 (dc67383) into ign-transport8 (1e7e8d9) will not change coverage.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           ign-transport8     #224   +/-   ##
===============================================
  Coverage           83.76%   83.76%           
===============================================
  Files                  51       51           
  Lines                5033     5033           
===============================================
  Hits                 4216     4216           
  Misses                817      817           

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