chore: add missing endpoint to ACL (#177)

Author: Kenneth Rosario

.github/workflows/lint.yml

@@ -24,6 +24,7 @@ jobs:
           github.com:443
           index.rubygems.org:443
           objects.githubusercontent.com:443
+          rubygems.org:443
 
     - name: Checkout repo
       uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2