ci: update CHANGELOG on master push

.github/workflows/changelog.yml

@@ -0,0 +1,24 @@
+name: changelog
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  generate:
+    name: Generate changelog
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: "✏️ Generate release changelog"
+      uses: heinrichreimer/action-github-changelog-generator@v2.3
+      with:
+        token: ${{ secrets.CHANGELOG_GITHUB_TOKEN }}
+    - name: Commit CHANGELOG.md
+      uses: stefanzweifel/git-auto-commit-action@v4
+      with:
+        branch: master
+        commit_message: 'docs: update CHANGELOG.md for ${{ github.ref_name }} [skip ci]'
+        file_pattern: CHANGELOG.md