[CWS] Lower a noisy ptrace info log to debug (#31976)

(cherry picked from commit 7f4316f)

pkg/security/probe/probe_ebpf.go

@@ -1092,7 +1092,7 @@ func (p *EBPFProbe) handleEvent(CPU int, data []byte) {
 					// 1. get the pid namespace of the tracer
 					ns, err := utils.GetProcessPidNamespace(event.ProcessContext.Process.Pid)
 					if err != nil {
-						seclog.Errorf("Failed to resolve PID namespace: %v", err)
+						seclog.Debugf("PTrace err: %v", err)
 						return
 					}