move agent-registry to agent-runtime #3890

Job	Run time
build-and-check	2m 29s
test-integration-backend	32s
test-npm-app	35s
test-integration-web	35s
test-cli	38s
test-integration-packages/agent-runtime	37s
test-integration-.agents	36s
test-integration-common	38s
test-integration-npm-app	38s
test-backend	2m 4s
test-common	34s
test-.agents	33s
test-web	32s
test-packages/agent-runtime	33s
test-integration-cli	36s
	12m 10s

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