fix(packages/wxt): make type for __ENTRYPOINT__

Author: PatrykKuniczak

packages/wxt/globals.d.ts

@@ -0,0 +1,3 @@
+declare module globalThis {
+  var __ENTRYPOINT__: string;
+}

packages/wxt/vitest.globalSetup.ts

@@ -9,7 +9,6 @@ export async function setup() {
 
   setupHappened = true;
 
-  // @ts-expect-error
   globalThis.__ENTRYPOINT__ = 'test';
 
   const E2E_DIST_PATH = './e2e/dist/';