Update test config to run ogre 1.x tests in ign-sensors6 on macOS

[iche033]

Signed-off-by: Ian Chen [email protected]

🦟 Bug fix

Summary

see gazebosim/gz-rendering#407 for more info.
Switching to ogre 1.x on macos for ignition Fortress libraries

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

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[codecov]

Codecov Report

Merging #156 (0f7872a) into main (b73c6c7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #156   +/-   ##
=======================================
  Coverage   77.51%   77.51%           
=======================================
  Files          24       24           
  Lines        2326     2326           
=======================================
  Hits         1803     1803           
  Misses        523      523           

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[chapulina]

LGTM. I've relaxed the requirement for homebrew to be green in order to merge PRs into main.