fix(server): validate k8s serviceaccount tokens with tokenreview #1600

Job	Run time
Resolve PR metadata	6s
build-gateway / Resolve build plan	2s
build-supervisor / Resolve build plan	5s
build-gateway / Rust gateway (arm64) / gateway (arm64)	5m 47s
build-supervisor / Rust sandbox (arm64) / sandbox (arm64)	3m 24s
build-supervisor / Build supervisor (arm64)	1m 23s
build-supervisor / Merge ${{ inputs.component }} manifest	-1s
build-gateway / Build gateway (arm64)	1m 27s
e2e / E2E (rust-docker)	6m 39s
e2e / E2E (rust-podman)	7m 8s
e2e / E2E (python)	6m 31s
build-gateway / Merge ${{ inputs.component }} manifest	0s
	32m 31s

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