Revert workflow to git push now that ruleset is fixed

.github/workflows/release-beta.yml

@@ -69,31 +69,11 @@ jobs:
           open('README.md', 'w').writelines(out)
           "
 
-      - name: Commit version-beta.json and README via API
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Commit version-beta.json and README
         run: |
-          python3 - <<'PYEOF'
-          import base64, subprocess, os
-
-          repo = os.environ['GITHUB_REPOSITORY']
-          ref_name = os.environ['GITHUB_REF_NAME']
-          msg = f'Beta release {ref_name}'
-
-          def api_put(path):
-              sha = subprocess.check_output(
-                  ['gh', 'api', f'repos/{repo}/contents/{path}', '--jq', '.sha'],
-                  text=True
-              ).strip()
-              content = base64.b64encode(open(path, 'rb').read()).decode()
-              subprocess.run([
-                  'gh', 'api', '--method', 'PUT',
-                  f'repos/{repo}/contents/{path}',
-                  '-f', f'message={msg}',
-                  '-f', f'content={content}',
-                  '-f', f'sha={sha}',
-              ], check=True)
-
-          api_put('version-beta.json')
-          api_put('README.md')
-          PYEOF
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add version-beta.json README.md
+          git commit -m "Beta release ${{ github.ref_name }}"
+          git pull --rebase origin main
+          git push origin HEAD:main