chore: host workbox locally (#3154)

src/service-worker.js

@@ -17,9 +17,11 @@
  * See https://goo.gl/2aRDsh
  */
 
-importScripts(
-  "https://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js",
-);
+importScripts("/workbox/workbox-sw.js");
+
+workbox.setConfig({
+  modulePathPrefix: "/workbox/",
+});
 
 self.addEventListener("message", (event) => {
   if (event.data && event.data.type === "SKIP_WAITING") {