Add release notes generation

Author: sonallux

.github/workflows/publish.yml

@@ -33,12 +33,18 @@ jobs:
           OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
           OSSRH_GPG_PASSPHRASE: ${{ secrets.OSSRH_GPG_PASSPHRASE }}
         run: ./mvnw -B deploy -Pdeploy
+      - name: Create release notes
+        run: |
+          echo "# What's Changed" > release-notes.md
+          git log "$(git describe --tags --abbrev=0)..HEAD" --format="- %s ([%h](https://github.com/sonallux/spotify-web-api/commit/%H))" >> release-notes.md
+          cat release-notes.md
       - name: Create release on GitHub
         uses: softprops/action-gh-release@v1
         if: startsWith(github.ref, 'refs/tags/')
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
+          body_path: release-notes.md
           files: |
             spotify-web-api-core/src/main/resources/spotify-web-api.yml
             spotify-web-api-generator-open-api/spotify-web-api-openapi.yml