live-cluster tests on ci pipeline

[adisos]

check why is the workflow currently disables them, see:
https://github.com/IBM/network-config-analyzer/blob/master/.github/workflows/test-push.yml#L197
@zivnevo , do you know?

can this be added ?
we should also test istio recently added resources to live cluster tests (gateway/ virtual service/ sidecar / service entry) .

[tanyaveksler]

live-cluster tests should be enabled after making the release of version 2 of nca and moving the nca repository to internal ibm's git.

[zivnevo]

See np-guard/network-config-analyzer#111