chore: fix push to gh pages action permissions (#165)

Author: Kenneth Rosario

.github/workflows/push-gh-pages.yml

@@ -12,14 +12,15 @@ jobs:
     env:
       ruby_version: "3.0"
     runs-on: ubuntu-latest
+
     permissions:
-      pages: write
+      contents: write
+
     steps:
       - name: Harden Runner
         uses: step-security/harden-runner@6b3083af2869dc3314a0257a42f4af696cc79ba3 # v2.3.1
         with:
           egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
-
       - name: Checkout repo
         uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
       - name: Install Ruby ${{ env.ruby_version }}