Adjust releasing infra/docs (#8795)

* Adjust releasing infra/docs

Follow-up for #8150, see #7507

* Add suggestions

.github/workflows/release-on-comment.yml

@@ -1,40 +0,0 @@
-# part of our release process, see `release-on-comment.py`
-name: release on comment
-
-on:
-  issues:
-    types: [opened, edited]
-  issue_comment:
-    types: [created, edited]
-
-# Set permissions at the job level.
-permissions: {}
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      issues: write
-
-    if: (github.event.comment && startsWith(github.event.comment.body, '@pytestbot please')) || (github.event.issue && !github.event.comment && startsWith(github.event.issue.body, '@pytestbot please'))
-
-    steps:
-    - uses: actions/checkout@v2
-      with:
-        fetch-depth: 0
-        persist-credentials: false
-
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: "3.8"
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install --upgrade setuptools tox
-
-    - name: Prepare release
-      run: |
-        tox -e release-on-comment -- $GITHUB_EVENT_PATH ${{ github.token }}