fix: update variable set for pokeshop synthetic test #6516

Job	Run time
Build docker image	5m 50s
CLI unit tests	33s
WebUI unit tests	1m 58s
API Server unit tests	2m 38s
Agent unit tests	1m 0s
config-e2e	1s
Test examples (collector)	40s
Test examples (tracetest-jaeger)	43s
CLI smoke tests (local)	38s
Test examples (tracetest-opensearch)	7m 20s
CLI e2e tests (8, 0)	1m 15s
CLI smoke tests (docker)	43s
WebUI End-to-end tests (1)	3m 30s
Test examples (tracetest-tempo)	40s
CLI e2e tests (8, 1)	1m 19s
Test examples (tracetest-provisioning-env)	44s
WebUI End-to-end tests (2)	2m 39s
CLI e2e tests (8, 2)	1m 28s
CLI e2e tests (8, 3)	1m 17s
Tracetesting API Server (InMemory)	4m 1s
WebUI End-to-end tests (3)	2m 43s
CLI e2e tests (8, 4)	1m 25s
Tracetesting API Server (NATS)	4m 1s
CLI e2e tests (8, 5)	2m 33s
WebUI End-to-end tests (4)	2m 31s
CLI e2e tests (8, 6)	1m 35s
WebUI End-to-end tests (5)	2m 39s
CLI e2e tests (8, 7)	3m 31s
WebUI End-to-end tests (6)	2m 26s
WebUI End-to-end tests (7)	2m 31s
WebUI End-to-end tests (8)	2m 33s
	1h 7m 25s

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