Investigate flaky parallel/test-crypto-keygen

https://ci.nodejs.org/job/node-test-binary-arm/3782/RUN_SUBSET=5,label=pi1-docker/console

```console
20:47:00 not ok 58 parallel/test-crypto-keygen
20:47:00   ---
20:47:00   duration_ms: 360.113
20:47:00   severity: fail
20:47:00   exitcode: -15
20:47:00   stack: |-
20:47:00     timeout
20:47:00   ...
```