test(node-core): Increase timeouts for flaky cron instrumentation test

Fixes #20971

Author: github-actions[bot]

dev-packages/node-core-integration-tests/suites/cron/cron/scenario.ts

@@ -28,4 +28,4 @@ cron.start();
 
 setTimeout(() => {
   process.exit();
-}, 5000);
+}, 15_000);

dev-packages/node-core-integration-tests/suites/cron/cron/test.ts

@@ -5,7 +5,7 @@ afterAll(() => {
   cleanupChildProcesses();
 });
 
-test('cron instrumentation', async () => {
+test('cron instrumentation', { timeout: 30_000 }, async () => {
   await createRunner(__dirname, 'scenario.ts')
     .withMockSentryServer()
     .expect({