test: fix flaky test-vm-timeout-escape-nexttick

Increase the VM timeout. If it is too small, the VM does not exit before
the code has a chance to create the problematic condition that causes
the timeout to be ignored.

Fixes: https://github.com/nodejs/node/issues/24120

PR-URL: https://github.com/nodejs/node/pull/24251


Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>