[runtime tests] Exclude ext/pcre/tests/cache_limit.phpt.
[runtime tests] Exclude ext/pcre/tests/cache_limit.phpt.

PiperOrigin-RevId: 340925131

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor