test: add known issue test for child_process.spawnSync segfault

Checklist

• make -j4 test (UNIX), or vcbuild test nosign (Windows) passes
• tests and/or benchmarks are included
• commit message follows commit guidelines

Affected core subsystem(s)

test

Description of change

child_process.spawnSync segfaults when given an array/object for the file argument with a throwing toString definition.

This PR adds a known_issues test with expected crash result.

Ref: #8539 (closed)