[flutter_tools] switch cache mode to reload (flutter#62076)

Author: Jonah Williams

packages/flutter_tools/lib/src/build_system/targets/web.dart

@@ -413,8 +413,8 @@ const CORE = [
 self.addEventListener("install", (event) => {
   return event.waitUntil(
     caches.open(TEMP).then((cache) => {
-      // Provide a no-cache param to ensure the latest version is downloaded.
-      return cache.addAll(CORE.map((value) => new Request(value, {'cache': 'no-cache'})));
+      // Provide a 'reload' param to ensure the latest version is downloaded.
+      return cache.addAll(CORE.map((value) => new Request(value, {'cache': 'reload'})));
     })
   );
 });
@@ -497,7 +497,7 @@ self.addEventListener("fetch", (event) => {
         // Either respond with the cached resource, or perform a fetch and
         // lazily populate the cache. Ensure the resources are not cached
         // by the browser for longer than the service worker expects.
-        var modifiedRequest = new Request(event.request, {'cache': 'no-cache'});
+        var modifiedRequest = new Request(event.request, {'cache': 'reload'});
         return response || fetch(modifiedRequest).then((response) => {
           cache.put(event.request, response.clone());
           return response;