chore(deps): Bump cachix/install-nix-action from 20 to 22 (#32)

Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 20 to 22.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Commits](cachix/install-nix-action@v20...v22)

---
updated-dependencies:
- dependency-name: cachix/install-nix-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

.github/workflows/prettier.yml

@@ -14,7 +14,7 @@ jobs:
               uses: actions/checkout@v3
 
             - name: Install the Nix package manager
-              uses: cachix/install-nix-action@v20
+              uses: cachix/install-nix-action@v22
 
             - name: Checks
               run: nix run nixpkgs#nodePackages.prettier -- --check .