Backport #351: Support protobuf >= 22

[scpeters]

Backport #351 to fix finding the newest versions of protobuf, which is now in homebrew-core. Use rebase-and-merge.

[codecov]

Codecov Report

Merging #353 (61bce5e) into ign-sensors3 (cb18240) will not change coverage.
The diff coverage is n/a.

❗ Current head 61bce5e differs from pull request most recent head f364179. Consider uploading reports for the commit f364179 to get more accurate results

@@              Coverage Diff              @@
##           ign-sensors3     #353   +/-   ##
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  Coverage         79.83%   79.83%           
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  Files                23       23           
  Lines              2380     2380           
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  Hits               1900     1900           
  Misses              480      480           

[scpeters]

some test failures involving rendering on macOS; is that typical? I think it's unrelated to this PR

[scpeters]

some test failures involving rendering on macOS; is that typical? I think it's unrelated to this PR

I'm retrying the job anyway

link to the previous test failures: https://build.osrfoundation.org/job/ignition_sensors-ci-pr_any-homebrew-amd64/1408/testReport/

[iche033]

some test failures involving rendering on macOS; is that typical? I think it's unrelated to this PR

hmm could be failing already. We made most of our mac test fixes in fortress and garden and not in citadel because gz-rendering + ogre 2.x isn't really working on mac in citadel

[scpeters]

some test failures involving rendering on macOS; is that typical? I think it's unrelated to this PR

hmm could be failing already. We made most of our mac test fixes in fortress and garden and not in citadel because gz-rendering + ogre 2.x isn't really working on mac in citadel

ok, I'll go ahead and merge then