Bump DeterminateSystems/nix-installer-action from 1 to 4

Author: rszamszur

template/{% if github_actions %}.github{% endif %}/workflows/{% if nix %}update-flake.yml{% endif %}.jinja

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v1
+        uses: DeterminateSystems/nix-installer-action@v4
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@v17
         with: