doctor: avoid using MACOS_VERSION
Prefer interpolation to concatenation
Remove outdated comment
Remove unused variable
brew-test-bot: remove escape characters.
passenger 4.0.20

Closes #23146.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gpac: new URL (target of redirect for old URL)

Closes #23142.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
gcutil 1.9.1

Closes #23140.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
git-multipush 2.4rc2 / HEAD

Closes #23005.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>