feat: upgrade to vite 3.0

vite.config.ts

@@ -127,13 +127,6 @@ export default defineConfig({
     Inspect(),
   ],
 
-  // https://github.com/antfu/vite-ssg
-  ssgOptions: {
-    script: 'async',
-    formatting: 'minify',
-    onFinished() { generateSitemap() },
-  },
-
   // https://github.com/vitest-dev/vitest
   test: {
     include: ['test/**/*.test.ts'],
@@ -142,4 +135,16 @@ export default defineConfig({
       inline: ['@vue', '@vueuse', 'vue-demi'],
     },
   },
+
+  // https://github.com/antfu/vite-ssg
+  ssgOptions: {
+    script: 'async',
+    formatting: 'minify',
+    onFinished() { generateSitemap() },
+  },
+
+  ssr: {
+    // TODO: workaround until they support native ESM
+    noExternal: ['workbox-window', /vue-i18n/],
+  },
 })