Fix type errors

Author: jspspike

packages/miniflare/src/workers/core/entry.worker.ts

@@ -159,7 +159,7 @@ async function handleQueue(
   const flattened = await request.json<number | unknown[]>();
   const messages = unflatten(flattened, structuredSerializableRevivers);
   const queueResponse = await service.queue(queueName, messages);
-  (queueResponse as QueueResponse & { time: number }).time =
+  (queueResponse as FetcherQueueResult & { time: number }).time =
     Date.now() - startTime;
   return Response.json(queueResponse);
 }

packages/miniflare/test/plugins/d1/shared.ts

@@ -54,9 +54,6 @@ export class TestD1Database implements D1Database {
     return this[kSend]("/batch", statements);
   }
 
-  // @ts-expect-error this function should return a `Promise<D1ExecResult>`,
-  //  not a `Promise<D1Result<T>>`, `@cloudflare/workers-types` is wrong here
-  //  TODO(now): fix in `@cloudflare/workers-types`
   async exec(query: string): Promise<D1ExecResult> {
     return this[kSend]("/exec", query);
   }

packages/miniflare/test/plugins/d1/suite.ts

@@ -192,7 +192,7 @@ export default (binding: string, WORKER_PATH: string) => {
     const select = await db.prepare(`SELECT * FROM ${tableColours}`);
     let result: ColourRow | null = await select.first<ColourRow>();
     t.deepEqual(result, { id: 1, name: "red", rgb: 0xff0000 });
-    let id = await select.first<number>("id");
+    let id: number | null = await select.first<number>("id");
     t.is(id, 1);
 
     // Check with multiple statements (should only match on first statement)