build(deps): bump cachix/cachix-action from 13 to 14 (#9347)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/cachix.yml

@@ -17,7 +17,7 @@ jobs:
       uses: cachix/install-nix-action@v25
 
     - name: Authenticate with Cachix
-      uses: cachix/cachix-action@v13
+      uses: cachix/cachix-action@v14
       with:
         name: helix
         authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}