Update cachix/cachix-action to v17

Author: sgt0

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
           nix_path: nixpkgs=channel:nixos-unstable
 
       - name: Set up Nix cache
-        uses: cachix/cachix-action@v16
+        uses: cachix/cachix-action@v17
         with:
           name: vs-nix-overlay