Fix the changelog generator workflow

.github/workflows/main.yaml

@@ -1,49 +1,59 @@
-name: Continuous integration
+name: Changelog Generator
 
 on:
   push:
     branches:
-      - master
-      - '[0-9]+.[0-9]+'
+    - master
     tags:
-      - '*'
-  pull_request:
-
-env:
-  HAS_SECRETS: ${{ secrets.HAS_SECRETS }}
-  PYTHON_KEYRING_BACKEND: keyring.backends.null.Keyring
+    - '*'
 
 jobs:
-  build:
-    name: Continuous integration
+  changelog:
+    name: Changelog Generator
     runs-on: ubuntu-20.04
-    timeout-minutes: 15
-    if: "!startsWith(github.event.head_commit.message, '[skip ci] ')"
+    timeout-minutes: 10
 
     steps:
-      - run: docker system prune --all --force
-      - uses: actions/checkout@v3
-
-      - run: echo "${HOME}/.local/bin" >> ${GITHUB_PATH}
-      - run: python3 -m pip install --user --requirement=ci/requirements.txt
-
-      - name: Checks
-        run: c2cciutils-checks
-      - name: GitHub event
-        run: echo ${GITHUB_EVENT} | python3 -m json.tool
-        env:
-          GITHUB_EVENT: ${{ toJson(github) }}
-
-      - run: python3 -m pip install --user --requirement=requirements.txt
-      - run: poetry install
-      - run: poetry run pytest
-      - run: poetry run prospector --output=pylint sphinx_prompt
-
-      - name: Login to pypi
-        run: |
-          echo "[pypi]" > ~/.pypirc
-          echo "username = sbrunner" >> ~/.pypirc
-          echo "password = ${{ secrets.PYPI_PASSWORD }}" >> ~/.pypirc
-        if: env.HAS_SECRETS == 'HAS_SECRETS'
-      - name: Publish
-        run: c2cciutils-publish
+    - uses: actions/checkout@v3
+
+    - run: echo "${HOME}/.local/bin" >> ${GITHUB_PATH}
+    - run: python3 -m pip install --user --requirement=ci/requirements.txt
+
+    - name: Get Date
+      id: get-date
+      run: |
+        echo "::set-output name=date::$(/bin/date -u "+%Y%m%d%H%M%S")"
+    - uses: actions/cache@v3
+      with:
+        path: |
+          .github/changelog-generator-cache
+        key: changelog-${{ steps.get-date.outputs.date }}
+        restore-keys: |
+          changelog-
+
+    - name: Get config
+      id: config
+      run: echo ::set-output name=config::$(python -c 'print(__import__("json").dumps(__import__("yaml").load(open(".github/changelog-config.yaml"))))')
+    - name: Generate changelog
+      id: changelog
+      uses: heinrichreimer/github-changelog-generator-action@v2.3
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        configureSections: ${{ steps.config.outputs.config }}
+        cacheFile: .github/changelog-generator-cache
+        unreleased: false
+
+    - run: c2cciutils-checks --fix --check=prettier
+    - id: status
+      run: echo ::set-output name=status::$(git status --short)
+    - run: |
+        git add CHANGELOG.md
+        git config --global user.email "ci@example.com"
+        git config --global user.name "CI"
+        git commit -m "Update the changelog"
+        git checkout -b changelog-update
+        git push origin changelog-update -f
+        gh pr create --base=master --fill --label=chore || true
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      if: steps.status.outputs.status != ''