Merge pull request #197 from haskell-nix/dependabot/github_actions/cachix/cachix-action-12

build(deps): bump cachix/cachix-action from 10 to 12

Author: domenkozar

.github/workflows/Optional-Nix-dev-env-main.yml

@@ -36,7 +36,7 @@ jobs:
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - name: "Install Cachix"
-      uses: cachix/cachix-action@v10
+      uses: cachix/cachix-action@v12
       with:
         name: ${{ env.cachixAccount }}
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'