Allow rt_sigaction in gofer seccomp
Allow rt_sigaction in gofer seccomp

rt_sigaction may be called by Go runtime when trying to panic:

https://cs.opensource.google/go/go/+/master:src/runtime/signal_unix.go;drc=ed3e4afa12d655a0c5606bcf3dd4e1cdadcb1476;bpv=1;bpt=1;l=780?q=rt_sigaction&ss=go

Updates #5038

PiperOrigin-RevId: 357013186

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