Better body

Author: toots

.github/workflows/release.yml

@@ -44,7 +44,7 @@ jobs:
               repo: context.repo.repo,
               tag_name: tag,
               name: tag,
-              body: process.env.RELEASE_NOTES,
+              body: `## ocaml-ffmpeg (${tag.replace(/^v/, '')})\n\n` + process.env.RELEASE_NOTES,
             };
             let existing;
             try {