[Dev] Enable typechecking for Vite config files (#6853)

tsconfig.json

@@ -78,12 +78,5 @@
   },
   // Exclude checking for script JS files as those are covered by the folder's `jsconfig.json`
   "include": ["**/*.ts", "**/*.d.ts"],
-  "exclude": [
+  "exclude": ["node_modules", "dist"]
-    "node_modules",
-    "dist",
-    "vite.config.ts",
-    "vitest.config.ts",
-    "vitest.workspace.ts",
-    "assets/service-worker.js"
-  ]
 }