Homebrew

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

What's Changed

• Add cask URL location to audit problems. by @reitermarkus in https://github.com/Homebrew/brew/pull/15466
• Guard GITHUB_* variables by GITHUB_ACTIONS. by @reitermarkus in https://github.com/Homebrew/brew/pull/15465
• keg_relocate: fix check for paths rooted in build directory by @carlocab in https://github.com/Homebrew/brew/pull/15473
• Fix wrong method in --cache and fetch. by @reitermarkus in https://github.com/Homebrew/brew/pull/15475
• Fix MacOSVersionError deprecation. by @reitermarkus in https://github.com/Homebrew/brew/pull/15477
• Revert "Guard GITHUB_* variables by GITHUB_ACTIONS." by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/15478
• Add --os and --arch flags to readall. by @reitermarkus in https://github.com/Homebrew/brew/pull/15470
• Fix brew formulae and brew casks when the API is used by @Omoeba in https://github.com/Homebrew/brew/pull/15471
• Use sudo for copying xattrs when necessary. by @reitermarkus in https://github.com/Homebrew/brew/pull/15481
• Discover GitHub tokens stored by the GitHub CLI by @neersighted in https://github.com/Homebrew/brew/pull/15485
• Check for App Management permissions before updating apps. by @JBYoshi in https://github.com/Homebrew/brew/pull/15483
• dev-cmd/update-maintainers: write JSON of maintainers by @carlocab in https://github.com/Homebrew/brew/pull/15491
• github_runner_matrix: remove GITHUB_RUN_ATTEMPT by @carlocab in https://github.com/Homebrew/brew/pull/15492
• github_packages: adjust upload retries by @carlocab in https://github.com/Homebrew/brew/pull/15495
• utils/github/api: fix nil implicit conversion error by @carlocab in https://github.com/Homebrew/brew/pull/15493

New Contributors

• @Omoeba made their first contribution in https://github.com/Homebrew/brew/pull/15471
• @neersighted made their first contribution in https://github.com/Homebrew/brew/pull/15485

Full Changelog: https://github.com/Homebrew/brew/compare/4.0.19...4.0.20