Documentation only change for rotary mac installation steps

[samialperen]

🦟 Bug fix

Fixes: New Issue

Summary

Normal ogre2.3 brew install gives the following error for Macbook Air With M3 chip

Warning: No available formula with the name "ogre2.3". Did you mean ogre2.2 or ogre1.9? ==> Searching for similarly named formulae and casks... ==> Formulae
osrf/simulation/gz-rotary-ogre2.3-vendor osrf/simulation/ogre2.2
osrf/simulation/ogre2.3-with-freeimage osrf/simulation/ogre1.9

To install osrf/simulation/gz-rotary-ogre2.3-vendor, run:
brew install osrf/simulation/gz-rotary-ogre2.3-vendor

Backport Policy

• This is safe to backport to the following versions:
  • Jetty
  • Ionic
  • Harmonic
  • Fortress
• This should not be backported
• I am not sure
• Other (fill in yourself)

Checklist

• Signed all commits for DCO
• Added a screen capture or video to the PR description that demonstrates the fix (as needed)
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• Updated Bazel files (if adding new files). Created an issue otherwise.
• While waiting for a review on your PR, please help review another open pull request to support the maintainers
• Was GenAI used to generate this PR? If so, make sure to add "Assisted-by" to your commits. (See this policy for more info.)

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by and Generated-by messages.

Backports: If this is a backport, please use Rebase and Merge instead.