chore(deps): bump cachix/cachix-action from 10 to 11

Bumps [cachix/cachix-action](https://github.com/cachix/cachix-action) from 10 to 11.
- [Release notes](https://github.com/cachix/cachix-action/releases)
- [Commits](https://github.com/cachix/cachix-action/compare/v10...v11)

---
updated-dependencies:
- dependency-name: cachix/cachix-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/main.yml

@@ -20,7 +20,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
 
       - name: Build with cachix
-        uses: cachix/cachix-action@v10
+        uses: cachix/cachix-action@v11
         with:
           name: hakyll-nix-template
           authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}