Homebrew

<!-- Release notes generated using configuration in .github/release.yml at master -->

What's Changed

• Fix on_{macos_version} blocks on Linux by @Rylan12 in https://github.com/Homebrew/brew/pull/13517
• utils: allow developers to differ in ruby versions by @SMillerDev in https://github.com/Homebrew/brew/pull/13309
• cask: add statements when direct cask upgrades won't be installed by @bevanjkay in https://github.com/Homebrew/brew/pull/13317
• bump-formula-pr: more precise tag/version replacement by @EricFromCanada in https://github.com/Homebrew/brew/pull/13519
• update-report: various updates by @dkav in https://github.com/Homebrew/brew/pull/13482
• keg: create subdirectories of lib/lua instead of symlinks by @carlocab in https://github.com/Homebrew/brew/pull/13538
• cask/cmd/list_spec.rb: fix leaky version variable by @apainintheneck in https://github.com/Homebrew/brew/pull/13545
• resource: support relative paths as targets of #stage by @carlocab in https://github.com/Homebrew/brew/pull/13534
• Add on_system :linux, macos: wrapper to OnSystem by @Rylan12 in https://github.com/Homebrew/brew/pull/13529
• bottle.rb: make GCC relocatable again by @danielnachun in https://github.com/Homebrew/brew/pull/13537
• language/python: add --install-lib to setup_install_args by @carlocab in https://github.com/Homebrew/brew/pull/13533
• utils/ruby_check_version_script: fix and test. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/13562
• dev-cmd/update-test: test against merge-base rather than latest master by @Bo98 in https://github.com/Homebrew/brew/pull/13552
• rubocops: allow uses_from_macos "less" by @FnControlOption in https://github.com/Homebrew/brew/pull/13547

Full Changelog: https://github.com/Homebrew/brew/compare/3.5.4...3.5.5