Add multizone podAntiAffinity for Istio ingressGateways #2099

Job	Run time
gitleaks	4s
Build manager image	5m 7s
Dispatch verify-commit-pins / Ensure SHA pinned actions	7s
Dispatch unit test / Check whether unit test & lint should run based on the changed files	5s
Dispatch unit test / Run unit tests with experimental build tag	1m 45s
Dispatch unit test / Run unit tests	2m 38s
Dispatch unit test / Lint	2m 2s
Dispatch integration tests / Check whether integration tests should run based on the changed files	5s
Dispatch UI tests / Run UI tests	10m 23s
Dispatch integration tests / Istio upgrade integration test	5m 47s
Dispatch integration tests / Istio integration test (configuration-integration-test)	5m 12s
Dispatch integration tests / Kubernetes version compatibility test (configuration-integration-test)	5m 23s
Dispatch integration tests / Istio integration test (mesh-communication-integration-test)	5m 36s
Dispatch integration tests / Kubernetes version compatibility test (mesh-communication-integration-test)	5m 48s
Dispatch integration tests / Istio integration test (installation-integration-test)	9m 2s
Dispatch integration tests / Kubernetes version compatibility test (installation-integration-test)	7m 40s
Dispatch integration tests / Istio integration test evaluation	1m 49s
Dispatch integration tests / Istio integration test (observability-integration-test)	3m 7s
Dispatch integration tests / Kubernetes version compatibility test (observability-integration-test)	3m 41s
pull-request-status	1s
	1h 15m 22s

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