Add label to build #265

Job	Run time
gatekeeper	5s
load-config	6s
check-changes	12s
build-sglang-ec2-image	30s
build-sglang-sagemaker-image	32s
set-sagemaker-test-environment	5s
sglang-sagemaker-endpoint-test	8m 26s
sglang-sagemaker-upstream-test	4m 51s
sglang-sagemaker-local-benchmark-test	4m 2s
set-ec2-test-environment	6s
sglang-ec2-upstream-test	4m 52s
sglang-ec2-local-benchmark-test	3m 47s
	27m 34s

Provide feedback