Merge branch 'jk/ci-macos-gcc13-fix' into maint-2.45

CI fix. * jk/ci-macos-gcc13-fix: ci: stop installing "gcc-13" for osx-gcc ci: avoid bare "gcc" for osx-gcc job ci: drop mention of BREW_INSTALL_PACKAGES variable

Junio C Hamano committed May 31, 2024 at 15:28 UTC 8211adfaba0d7ef6891abe17dc6f362b3379c35c

No changes.