try and fix build

.github/workflows/main.yml

@@ -5,27 +5,25 @@ on:
   push:
 
 jobs:
-  build:
+  build-nix:
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v2.3.4
 
     - name: Install Nix
       uses: cachix/install-nix-action@v13
       with:
-        skip_adding_nixpkgs_channel: true
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/lb41az54kzk6j12p81br4bczary7m145/install
+        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'
         extra_nix_config: |
           experimental-features = nix-command flakes
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
     - name: Build with cachix
       uses: cachix/cachix-action@v10
       with:
         name: hakyll-nix-template
         signingKey: ${{ secrets.CACHIX_SIGNING_KEY }}
-        #authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
 
     - run: nix build
 
@@ -38,7 +36,7 @@ jobs:
   deploy:
     if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
-    needs: [build]
+    needs: [build-nix]
 
     steps:
       - name: Download artifact