fix identation on runtime-caching-converter changes

Author: tsirlucas

packages/workbox-build/src/lib/runtime-caching-converter.js

@@ -35,8 +35,11 @@ function getOptionsString(options = {}) {
   if (options.plugins) {
     // Using libs because JSON.stringify won't handle functions
     plugins = options.plugins.map((plugin) =>
-      objectStringify(plugin, {transform: (_obj, _prop, str) =>
-        stripComments(str)}));
+      objectStringify(plugin, {
+          transform: (_obj, _prop, str) => stripComments(str),
+        })
+    );
+
     delete options.plugins;
   }