Improve release drafter (#998)

* Change titels to reflect official/new naming

* Use GitHub Actions to trigger Release Drafter

The Add-On is no longer developed and GitHub Actions is the recommended
way to use the Release Drafter

.github/workflows/release-drafter.yml

@@ -0,0 +1,15 @@
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - dev
+      - rel-4
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}