feat(route-interceptor): Add RouteInterceptor#waitForResponse/Request

[florian-cronn]

Adds listeners for request/response using the same route-interceptor interface:

const interceptor = interceptRoute(page, matchPath("/api/users/1"));

await interceptor.respondWith({ status: 500 }).during(async () => {
  const responsePromise = interceptor.waitForResponse();
  await page.getByRole("button", { name: "Fetch user" }).click();
  const response = await responsePromise;

  expect(response.status()).toBe(500);
});

Sometimes a test needs to wait until the server response was received before continuing.

[changeset-bot]

🦋 Changeset detected

Latest commit: 5293730

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@cronn/playwright-utils	Minor

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