chore: remove WebWorker from lib in tsconfig.check.json to catch regression

Author: sapphi-red

packages/vite/tsconfig.check.json

@@ -3,7 +3,7 @@
     "target": "ES2020",
     "moduleResolution": "node16",
     "module": "Node16",
-    "lib": ["ES2020", "WebWorker"], // ES2020 is very conservative check for client types, could be bumped if needed
+    "lib": ["ES2020"], // ES2020 is very conservative check for client types, could be bumped if needed
     "types": [], // Avoid checking unrelated node_modules types
     "noEmit": true,
     "strict": true,