Enhancement: Configure target_commitish to target branch to show commits to branch since release

Author: localheinz

.github/workflows/release.yaml

@@ -41,6 +41,7 @@ jobs:
           tag: ${{ env.RELEASE_TAG }}
           name: PHPUnit ${{ env.RELEASE_TAG }}
           bodyFile: release-notes.md
+          commit: "8.5"
 
       - name: Announce release
         id: mastodon