Merge pull request #2344 from haskell/dependabot/github_actions/cachix/install-nix-action-14.1

Author: dependabot[bot]

.github/workflows/nix.yml

@@ -46,7 +46,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: true
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v14.1
       with:
         install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
@@ -81,7 +81,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: true
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v14.1
       with:
         install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'