fix: Upgrade unbuild to resolve console warning issues and also deal with post-upgrade compatibility issues (#4009)

internal/lint-configs/eslint-config/src/util.ts

@@ -0,0 +1,8 @@
+export type Awaitable<T> = Promise<T> | T;
+
+export async function interopDefault<T>(
+  m: Awaitable<T>,
+): Promise<T extends { default: infer U } ? U : T> {
+  const resolved = await m;
+  return (resolved as any).default || resolved;
+}