The action cachix/install-nix-action@v27 is not allowed in emacsorphanage/org-wild-notifier because all actions must be from a repository owned by emacsorphanage or match one of the patterns: actions/checkout@*, cachix/install-nix-action@, cask/setup-cask@*, conao3/setup-cask@*, emacs-eask/setup-eask@*, emacs-eldev/setup-eldev@*, jcs090218/setup-emacs-windows@*, jcs090218/setup-emacs@*, purcell/setup-emacs@*.