Update validate.ts

scripts/commands/channels/validate.ts

@@ -91,8 +91,10 @@ async function main() {
         `${totalProblems} problems (${totalErrors} errors, ${totalWarnings} warnings) in ${totalFiles} file(s)`
       )
     )
+    if (totalErrors > 0) {
       process.exit(1)
     }
   }
+}
 
 main()