Update deploy.yml

Author: hsjobeki

.github/workflows/deploy.yml

@@ -25,8 +25,13 @@ jobs:
     - uses: actions/checkout@v4
     - uses: cachix/install-nix-action@v23
       with:
-        nix_path: nixpkgs=channel:nixos-unstable 
-    - run: nix build
+        nix_path: nixpkgs=channel:nixos-unstable
+    - uses: cachix/cachix-action@v12
+      with:
+        name: docs
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'  
+    - run: nix build .#codemod -L
+    
 
   deploy:
     needs: build