webpack: fix main.[hash].js not cached

This caused updates to not work if main.js was not in the browser
cache since it was being excluded from the service worker.

Issue: https://github.com/pybricks/support/issues/689

CHANGELOG.md

@@ -4,6 +4,11 @@
 
 ## [Unreleased]
 
+### Fixed
+- Fixed `main.[hash].js` not cached ([support#689]).
+
+[support#689]: https://github.com/pybricks/support/issues/689
+
 ## [2.0.0-beta.4] - 2022-07-28
 
 ### Added

config/webpack.config.js

@@ -716,12 +716,10 @@ module.exports = function (webpackEnv) {
         new WorkboxWebpackPlugin.InjectManifest({
           swSrc,
           dontCacheBustURLsMatching: /\.[0-9a-f]{8}\./,
-          // REVISIT: main entry point should be chunked instead of ignored
-          exclude: [/\.map$/, /asset-manifest\.json$/, /LICENSE/, /static\/js\/main\.\w+\.js$/],
           // Bump up the default maximum size (2mb) that's precached,
           // to make lazy-loading failure scenarios less likely.
           // See https://github.com/cra-template/pwa/issues/13#issuecomment-722667270
-          maximumFileSizeToCacheInBytes: 2 * 1024 * 1024,
+          maximumFileSizeToCacheInBytes: 10 * 1024 * 1024,
         }),
       // TypeScript type checking
       useTypeScript &&