fix(runtime): 镜像刷新时从 label 读取实际版本号 #41

Job	Run time
verify / Web Build	23s
verify / Performance Benchmark (synthetic 10k, local baseline)	1m 8s
verify / Go Tests	1m 14s
verify / Image Size Regression (BASE-04 ≤ 2GB)	1m 14s
create-release	9s
build-binaries (linux, amd64)	35s
build-binaries (darwin, amd64)	35s
build-binaries (linux, arm64)	32s
build-binaries (darwin, arm64)	31s
publish-images / build (control-plane, deploy/docker/control-plane/Dockerfile, .)	6m 16s
publish-images / build (managed-user, deploy/docker/managed-user/Dockerfile, .)	2m 12s
publish-images / build (sing-box-gateway, deploy/docker/sing-box-gateway/Dockerfile, .)	51s
publish-images / build (admin, deploy/docker/admin/Dockerfile, .)	1m 20s
update-homebrew	8s
	17m 8s

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