feat: integrate warn in success script

Author: babblebey

lib/success.js

@@ -61,8 +61,7 @@ export default async function success(pluginConfig, context, { Octokit }) {
       logger.log("No commits found in release");
     }
     logger.log("Skip commenting on issues and pull requests.");
-    // TODO: use logger.warn() instead of logger.log()
-    logger.log(
+    logger.warn(
       `DEPRECATION: 'false' for 'successComment' is deprecated and will be removed in a future major version. Use 'successCommentCondition' instead.`,
     );
   } else if (successCommentCondition === false) {