api: update quota policy docs #6019

Job	Run time
changes	7s
CRD CEL Validation Test (macos-latest)	4m 15s
Data Plane Test (macos-latest)	5m 31s
E2E Test (Envoy Gateway latest)	11m 26s
CRD CEL Validation Test (ubuntu-latest)	3m 41s
E2E Test for aigw CLI	3m 20s
Controller Test (ubuntu-latest)	4m 4s
Controller Test (macos-latest)	5m 18s
E2E Test for Inference Extensions	4m 34s
Data Plane MCP Test (macos-latest)	6m 43s
E2E Test for Namespaced Controller	3m 30s
Data Plane Test (ubuntu-latest)	3m 52s
E2E Test (Envoy Gateway v1.8.1)	11m 8s
Data Plane MCP Test (ubuntu-latest)	6m 31s
Unit Test (ubuntu-latest)	2m 9s
E2E Test for Upgrades (k8s v1.34.3)	14m 2s
E2E Test for Upgrades (k8s v1.32.8)	12m 35s
E2E Test for Upgrades (k8s v1.35.0)	13m 30s
Unit Test (macos-latest)	9m 31s
E2E Test for Upgrades (k8s v1.33.4)	12m 51s
ci-required	3s
Push Docker Images	0s
Push Helm chart	0s
	2h 18m 41s

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