chore: cherry-pick upstream bug fixes since v1.0.0 #2

Job	Run time
changes	5s
Data Plane Test (macos-latest)	4m 47s
Data Plane MCP Test (macos-latest)	6m 0s
Data Plane Test (ubuntu-latest)	5m 18s
Controller Test (ubuntu-latest)	3m 31s
CRD CEL Validation Test (ubuntu-latest)	3m 35s
E2E Test (Envoy Gateway latest)	16m 29s
Controller Test (macos-latest)	4m 28s
CRD CEL Validation Test (macos-latest)	3m 50s
Data Plane MCP Test (ubuntu-latest)	6m 16s
E2E Test for Namespaced Controller	7m 49s
Unit Test (ubuntu-latest)	6m 52s
Unit Test (macos-latest)	8m 49s
E2E Test for Upgrades (k8s v1.33.4)	17m 18s
E2E Test for Inference Extensions	8m 24s
E2E Test (Envoy Gateway v1.8.1)	16m 37s
E2E Test for aigw CLI	6m 56s
E2E Test for Upgrades (k8s v1.34.3)	18m 3s
E2E Test for Upgrades (k8s v1.32.8)	17m 59s
E2E Test for Upgrades (k8s v1.35.0)	18m 34s
ci-required	5s
Push Docker Images	0s
Push Helm chart	0s
	3h 1m 45s

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