test(aws-serverless): Migrate to Vitest

[timfish]

• Ref Migrate from jest to vitest and stop using jsdom based tests #11084

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
344	1	343	7

View the full list of 1 ❄️ flaky tests

should report ANR when event loop blocked worker can be stopped and restarted

Flake rate in main: 7.14% (Passed 39 times, Failed 3 times)

Stack Traces | 15s run time

Error: thrown: "Exceeded timeout of 15000 ms for a test.
Use jest.setTimeout(newTimeout) to increase the timeout value, if this is a long-running test."
    at .../suites/anr/test.ts:204:3
    at _dispatchDescribe (.../jest-circus/build/index.js:98:26)
    at describe (.../jest-circus/build/index.js:60:5)
    at Object.<anonymous> (.../suites/anr/test.ts:109:1)
    at Runtime._execModule (.../jest-runtime/build/index.js:1646:24)
    at Runtime._loadModule (.../jest-runtime/build/index.js:1185:12)
    at Runtime.requireModule (.../jest-runtime/build/index.js:1009:12)
    at jestAdapter (.../build/legacy-code-todo-rewrite/jestAdapter.js:79:13)
    at processTicksAndRejections (node:internal/process/task_queues:105:5)
    at runTestInternal (.../jest-runner/build/runTest.js:389:16)

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