fix(llm-example): add datastore setup #6585

Job	Run time
API Server unit tests	2m 31s
CLI unit tests	33s
WebUI unit tests	2m 2s
Build docker image	6m 5s
config-e2e	1s
Agent unit tests	1m 12s
CLI smoke tests (local)	45s
Test examples (collector)	46s
CLI e2e tests (8, 0)	1m 21s
CLI smoke tests (docker)	40s
Test examples (tracetest-jaeger)	45s
WebUI End-to-end tests (1)	2m 34s
CLI e2e tests (8, 1)	1m 17s
Test examples (tracetest-opensearch)	7m 30s
WebUI End-to-end tests (2)	2m 34s
CLI e2e tests (8, 2)	1m 35s
Test examples (tracetest-tempo)	39s
WebUI End-to-end tests (3)	2m 35s
CLI e2e tests (8, 3)	1m 19s
Tracetesting API Server (InMemory)	3m 51s
Test examples (tracetest-provisioning-env)	39s
WebUI End-to-end tests (4)	2m 27s
CLI e2e tests (8, 4)	1m 15s
WebUI End-to-end tests (5)	2m 35s
CLI e2e tests (8, 5)	2m 35s
WebUI End-to-end tests (6)	2m 33s
CLI e2e tests (8, 6)	1m 26s
Tracetesting API Server (NATS)	3m 49s
WebUI End-to-end tests (7)	2m 32s
CLI e2e tests (8, 7)	3m 29s
WebUI End-to-end tests (8)	3m 34s
	1h 7m 29s

Provide feedback