fix: wrap image reference in backticks in release notes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/release.yml

@@ -97,7 +97,7 @@ jobs:
           if fixes:
               sections.append('### Bug Fixes\n\n' + '\n'.join(fixes))
           notes = '\n\n'.join(sections) or '_No changes_'
-          body  = notes + '\n\n### Image\n\n' + img + ':' + v
+          body  = notes + '\n\n### Image\n\n`' + img + ':' + v + '`'
           payload = {'tag_name': 'v'+v, 'name': 'Catalyst v'+v, 'body': body, 'draft': False, 'prerelease': False}
           open('/tmp/release_body.json', 'w').write(json.dumps(payload))
           PYEOF