feat(agent-server): load hooks.json for v1 hooks #8504

Job	Run time
Check OpenAPI Schema	28s
build-binary-and-test (ubuntu-latest)	2m 32s
build-binary-and-test (macos-latest)	2m 30s
Build & Push (java-amd64)	5m 8s
Build & Push (python-arm64)	6m 38s
Build & Push (java-arm64)	6m 0s
Build & Push (golang-amd64)	7m 36s
Build & Push (python-amd64)	7m 46s
Build & Push (golang-arm64)	6m 41s
Merge Multi-Arch Manifests (java)	14s
Merge Multi-Arch Manifests (golang)	13s
Merge Multi-Arch Manifests (python)	19s
Consolidate Build Information	8s
Update PR description with agent server image	6s
	46m 19s

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