Update gh-pages.yml

Removing the cname configuration to see if that's what is keeping us from registering the protobuf.dev domain in the GitHub admin

Author: Logofile

.github/workflows/gh-pages.yml

@@ -33,4 +33,4 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
-          cname: protobuf.dev
+          # cname: protobuf.dev