dev: fix pre-commit typo in toolkit (#20673)

s/not/no/

packages/grafana-toolkit/src/cli/tasks/precommit.ts

@@ -60,7 +60,7 @@ const precommitRunner: TaskRunner<PrecommitOptions> = async () => {
     return task;
   }
 
-  console.log(chalk.yellow('Skipping precommit checks, not front-end changes detected'));
+  console.log(chalk.yellow('Skipping precommit checks, no front-end changes detected'));
   return;
 };