Merge pull request #31 from loophp/renovate/cachix-install-nix-action-30.x

chore(deps): update cachix/install-nix-action action to v30

Author: drupol

.github/workflows/prettier.yml

@@ -14,7 +14,7 @@ jobs:
               uses: actions/checkout@v3
 
             - name: Install the Nix package manager
-              uses: cachix/install-nix-action@v27
+              uses: cachix/install-nix-action@v30
 
             - name: Checks
               run: nix run nixpkgs#nodePackages.prettier -- --check .