fix(llm-example): add datastore setup (#4038) #6586

Job	Run time
CLI unit tests	35s
API Server unit tests	2m 36s
Build docker image	5m 52s
config-e2e	1s
Agent unit tests	1m 14s
WebUI unit tests	1m 54s
Test examples (collector)	42s
CLI e2e tests (8, 0)	1m 10s
Test examples (tracetest-jaeger)	38s
WebUI End-to-end tests (1)	3m 32s
CLI e2e tests (8, 1)	1m 18s
Test examples (tracetest-opensearch)	7m 27s
WebUI End-to-end tests (2)	2m 25s
CLI smoke tests (local)	39s
CLI e2e tests (8, 2)	1m 14s
Test examples (tracetest-tempo)	37s
WebUI End-to-end tests (3)	2m 30s
CLI e2e tests (8, 3)	1m 15s
CLI smoke tests (docker)	40s
WebUI End-to-end tests (4)	2m 35s
Test examples (tracetest-provisioning-env)	43s
CLI e2e tests (8, 4)	1m 25s
WebUI End-to-end tests (5)	2m 22s
CLI e2e tests (8, 5)	2m 21s
WebUI End-to-end tests (6)	2m 31s
CLI e2e tests (8, 6)	1m 20s
Tracetesting API Server (InMemory)	3m 53s
Tracetesting API Server (NATS)	3m 50s
WebUI End-to-end tests (7)	2m 25s
CLI e2e tests (8, 7)	3m 21s
WebUI End-to-end tests (8)	2m 30s
	1h 5m 35s

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