Do not collect SIGNREQUEST as open handles

[cristianrgreco]

Summary

See the linked issue for more information.
Fixes #12775.

Test Plan

Unit test added. See before:

➜  jest git:(main) ✗ yarn jest collectHandles
 FAIL  packages/jest-core/src/__tests__/collectHandles.test.js
  collectHandles
    ✓ should collect Timeout (107 ms)
    ✓ should not collect the PerformanceObserver open handle (102 ms)
    ✓ should not collect the DNSCHANNEL open handle (103 ms)
    ✓ should not collect the ZLIB open handle (103 ms)
    ✕ should not collect the SIGNREQUEST open handle (106 ms)
    ✓ should collect handles opened in test functions with `done` callbacks (106 ms)
    ✓ should not collect handles that have been queued to close (106 ms)
    ✓ should collect handles indirectly triggered by user code (110 ms)

  ● collectHandles › should not collect the SIGNREQUEST open handle

    expect(received).not.toContainEqual(expected) // deep equality

    Expected value: not ObjectContaining {"message": "SIGNREQUEST"}
    Received array:     [[Error: SIGNREQUEST], [Error: Timeout]]

      at Object.toContainEqual (packages/jest-core/src/__tests__/collectHandles.test.js:82:29)

Test Suites: 1 failed, 1 total
Tests:       1 failed, 7 passed, 8 total
Snapshots:   0 total
Time:        1.095 s, estimated 2 s

See after:

➜  jest git:(patch-1) ✗ yarn jest collectHandles                                        
 PASS  packages/jest-core/src/__tests__/collectHandles.test.js
  collectHandles
    ✓ should collect Timeout (108 ms)
    ✓ should not collect the PerformanceObserver open handle (101 ms)
    ✓ should not collect the DNSCHANNEL open handle (104 ms)
    ✓ should not collect the ZLIB open handle (105 ms)
    ✓ should not collect the SIGNREQUEST open handle (104 ms)
    ✓ should collect handles opened in test functions with `done` callbacks (110 ms)
    ✓ should not collect handles that have been queued to close (106 ms)
    ✓ should collect handles indirectly triggered by user code (111 ms)

Test Suites: 1 passed, 1 total
Tests:       8 passed, 8 total
Snapshots:   0 total
Time:        1.127 s, estimated 2 s

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[SimenB]

Thanks! Could you add a test as well?

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Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Meta Open Source project. Thanks!

[cristianrgreco]

@SimenB Done and test plan updated 🙂

[SimenB]

thanks!

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