chore: update otel demo examples #6521

Job	Run time
config-e2e	1s
Build docker image	5m 40s
Agent unit tests	1m 41s
CLI unit tests	28s
API Server unit tests	2m 40s
WebUI unit tests	2m 13s
Tracetesting API Server (InMemory)	3m 51s
CLI smoke tests (local)	39s
Test examples (collector)	38s
CLI smoke tests (docker)	40s
Test examples (tracetest-jaeger)	39s
WebUI End-to-end tests (1)	2m 34s
Test examples (tracetest-opensearch)	7m 37s
WebUI End-to-end tests (2)	2m 32s
CLI e2e tests (8, 0)	1m 21s
WebUI End-to-end tests (3)	2m 39s
Tracetesting API Server (NATS)	4m 0s
CLI e2e tests (8, 1)	1m 24s
WebUI End-to-end tests (4)	2m 39s
Test examples (tracetest-tempo)	39s
CLI e2e tests (8, 2)	1m 25s
Test examples (tracetest-provisioning-env)	38s
WebUI End-to-end tests (5)	2m 37s
CLI e2e tests (8, 3)	1m 38s
CLI e2e tests (8, 4)	1m 36s
WebUI End-to-end tests (6)	2m 46s
CLI e2e tests (8, 5)	2m 36s
CLI e2e tests (8, 6)	1m 23s
WebUI End-to-end tests (7)	3m 32s
CLI e2e tests (8, 7)	3m 37s
WebUI End-to-end tests (8)	2m 36s
	1h 8m 59s

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