Update GH Workflow TOC Generator

The TOC Generator sometimes tries to run against branches that no longer exist.
This config update should have it only check the main branch.

This update also has the TOC Generator create a PR for readme changes instead of pushing them directly.

Author: marc

.github/workflows/toc.yml

@@ -6,3 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: technote-space/toc-generator@v4
+        with:
+          CREATE_PR: true
+          GITHUB_TOKEN: ${{ secrets.ACCESS_TOKEN }}
+          CHECK_ONLY_DEFAULT_BRANCH: true