fix template sync

Author: rodber

.github/workflows/update-template.yml

@@ -13,6 +13,6 @@ jobs:
       - name: actions-template-sync
         uses: AndreasAugustin/actions-template-sync@v2
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
+          source_gh_token: ${{ secrets.GITHUB_TOKEN }}
           source_repo_path: rodber/mediumish
           upstream_branch: main