chore(model_hub): add llamacode and make zephyr runs on gpu #677

Job	Run time
console / helm-integration-test-latest-linux	15m 20s
console / helm-integration-test-release-linux	0s
console / helm-integration-test-release-mac	0s
console / helm-integration-test-latest-mac	0s
backend (mgmt-backend) / helm-integration-test-latest-linux	20m 36s
backend (mgmt-backend) / helm-integration-test-release-linux	0s
backend (mgmt-backend) / helm-integration-test-latest-mac	0s
backend (mgmt-backend) / helm-integration-test-release-mac	0s
backend (model-backend) / helm-integration-test-latest-linux	20m 47s
backend (model-backend) / helm-integration-test-latest-mac	0s
backend (model-backend) / helm-integration-test-release-linux	0s
backend (model-backend) / helm-integration-test-release-mac	0s
backend (pipeline-backend) / helm-integration-test-latest-linux	20m 40s
backend (pipeline-backend) / helm-integration-test-latest-mac	0s
backend (pipeline-backend) / helm-integration-test-release-linux	0s
backend (pipeline-backend) / helm-integration-test-release-mac	0s
	1h 17m 23s

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