NetworkPolicyPeer in types has an outdated comment from the times when it only supported ingress rules. Update the comment to reflect the current usage of the field. Kubernetes-commit: 7cab5753deab2a73adcdb6f6e0694f9996ac5b4a
Kubernetes-commit: 8ba86728e3d17f1948858c1b5480dfe0410a1409
Kubernetes-commit: 1fb0dd4ec5134014e466509163152112626d52c3
Kubernetes-commit: 4ce97d6c48ae4735463f020430dd20539a03e8c5