docs(installation): updated k8s and helm+pokeshop guide #6444

Job	Run time
Agent unit tests	1m 16s
CLI unit tests	37s
API Server unit tests	2m 41s
WebUI unit tests	1m 50s
Build docker image	5m 42s
config-e2e	1s
Tracetesting API Server (NATS)	4m 0s
Test examples (collector)	41s
Test examples (tracetest-jaeger)	47s
CLI e2e tests (8, 0)	1m 16s
WebUI End-to-end tests (1)	2m 57s
CLI smoke tests (local)	46s
WebUI End-to-end tests (2)	2m 42s
CLI e2e tests (8, 1)	1m 20s
CLI smoke tests (docker)	42s
WebUI End-to-end tests (3)	3m 46s
CLI e2e tests (8, 2)	1m 21s
Test examples (tracetest-opensearch)	7m 31s
WebUI End-to-end tests (4)	2m 43s
CLI e2e tests (8, 3)	1m 20s
Test examples (tracetest-tempo)	40s
WebUI End-to-end tests (5)	2m 44s
CLI e2e tests (8, 4)	1m 21s
Test examples (tracetest-provisioning-env)	40s
Tracetesting API Server (InMemory)	4m 0s
WebUI End-to-end tests (6)	2m 48s
CLI e2e tests (8, 5)	2m 31s
WebUI End-to-end tests (7)	2m 42s
CLI e2e tests (8, 6)	1m 29s
WebUI End-to-end tests (8)	2m 42s
CLI e2e tests (8, 7)	3m 32s
	1h 9m 8s

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