Update split-chunks-plugin.md

Author: montogeek

src/content/plugins/split-chunks-plugin.md

@@ -253,7 +253,7 @@ module.exports = {
         vendors: {
           test(module, chunks) {
             //...
-            return module.type === "javascript/auto";
+            return module.type === 'javascript/auto';
           }
         }
       }