Np for operator manager

[anandrkskd]

What type of PR is this?

/kind enhancement

What does this PR do / why we need it:
This PR adds network policy for operator controller manager pod. To add this NP we will need to update the operator sdk to version 1.40.0 or higher to be able to include network-policy when creating bundle, Or else the bundle creation fails.
NP rules added are

  ingress:
    - ports:
        # health probes (kubelet)
        - protocol: TCP
          port: 8081
        # CRD conversion webhook (API server, handler registered when ENABLE_CONVERSION_WEBHOOK=true)
        - protocol: TCP
          port: 9443
        # metrics (Prometheus)
        - protocol: TCP
          port: 8080
        # metrics via kube-rbac-proxy (when manager_auth_proxy_patch is enabled)
        - protocol: TCP
          port: 8443
  egress:
    # Kubernetes API server
    - ports:
        - protocol: TCP
          port: 443
        - protocol: TCP
          port: 6443
    # DNS resolution
    - ports:
        - protocol: UDP
          port: 53
        - protocol: TCP
          port: 53

Have you updated the necessary documentation?

• Documentation update is required by this PR.
• Documentation has been updated.

Which issue(s) this PR fixes:

Fixes #?

How to test changes / Special notes to the reviewer:

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