cli: Use build sdk command from sdk directly #5269

Job	Run time
build-and-check	2m 47s
test-packages/agent-runtime	53s
test-cli	1m 10s
test-.agents	39s
test-integration-common	47s
test-packages/internal	53s
test-integration-cli	43s
test-web	47s
test-integration-.agents	38s
test-packages/billing	44s
test-sdk	50s
test-common	44s
test-integration-packages/agent-runtime	41s
test-integration-packages/billing	40s
test-integration-packages/internal	46s
test-integration-sdk	41s
test-integration-web	40s
	15m 3s

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