What's Changed

• Audit: complain if no targets are found by @SMillerDev in https://github.com/Homebrew/brew/pull/13926
• Use unversioned GCC for runtime libraries when required. by @carlocab in https://github.com/Homebrew/brew/pull/13916
• Cleanup and fix CI jobs by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/13929
• brew: remove HOMEBREW_ON_DEBIAN7 by @iMichka in https://github.com/Homebrew/brew/pull/13828
• Remove unused function from bump-cask-pr by @apainintheneck in https://github.com/Homebrew/brew/pull/13939
• Enable Linux AArch64 support by @gromgit in https://github.com/Homebrew/brew/pull/13952
• Augment brew livecheck with a --resources option to check resources by @mohammadzainabbas in https://github.com/Homebrew/brew/pull/13613
• Update documentation for brew livecheck by @mohammadzainabbas in https://github.com/Homebrew/brew/pull/13933

Full Changelog: https://github.com/Homebrew/brew/compare/3.6.3...3.6.4