Issue #4859: Use GitHub actions to generate release notes automatically.

.github/release-notes.yml

@@ -0,0 +1,13 @@
+# Changelog Generator configuration.
+# @see https://github.com/spring-io/github-changelog-generator#customizing-sections
+
+changelog:
+  sections:
+  - title: New features
+    labels: [type - feature request]
+  - title: Bug fixes
+    labels: [type - bug report]
+  - title: Documentation updates
+    labels: [type - documentation]
+  - title: Miscellaneous changes
+    labels: [type - task]

.github/workflows/release-notes.yml

@@ -0,0 +1,30 @@
+# Generate release notes (in the wiki) when a milestone is closed.
+# @see https://github.com/marketplace/actions/release-notes-generator
+# @see https://github.com/marketplace/actions/wiki-page-creator-action
+
+name: Release Notes Generator
+
+on:
+  milestone:
+    types: [closed]
+
+jobs:
+  release-notes:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Release notes generator
+      uses: docker://decathlon/release-notes-generator-action:3.0.1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        OUTPUT_FOLDER: temp_release_notes
+        USE_MILESTONE_TITLE: true
+    - name: Wiki page creator
+      uses: docker://decathlon/wiki-page-creator-action:2.0.3
+      env:
+        ACTION_MAIL: [email protected]
+        ACTION_NAME: dragonbot
+        GH_PAT: ${{ secrets.DRAGONBOT_GH_PAT }}
+        MD_FOLDER: temp_release_notes
+        OWNER: backdrop
+        REPO_NAME: backdrop-issues