Update K8s plugin config docs #2843

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 16s
Docker Build Images (flyteadmin) / build_docker	2m 39s
Docker Build Images (flytecopilot) / build_docker	2m 7s
Docker Build Images (flytepropeller) / build_docker	3m 7s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 25s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 39s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 30s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 22s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 36s
Check Go Generate (flyteadmin) / Go Generate	2m 13s
Check Go Generate (flytecopilot) / Go Generate	1m 44s
Check Go Generate (datacatalog) / Go Generate	1m 34s
Check Go Generate (flytepropeller) / Go Generate	2m 29s
Lint (flyteadmin) / Run Lint	3m 8s
Lint (flyteplugins) / Run Lint	3m 20s
Lint (datacatalog) / Run Lint	2m 31s
Lint (flyteidl) / Run Lint	2m 0s
Lint (flytepropeller) / Run Lint	3m 18s
Lint (flytestdlib) / Run Lint	2m 57s
Unit Tests (datacatalog) / Run Unit Test	3m 9s
Unit Tests (flyteadmin) / Run Unit Test	4m 36s
Unit Tests (flytecopilot) / Run Unit Test	2m 42s
Unit Tests (flyteplugins) / Run Unit Test	4m 15s
Unit Tests (flytepropeller) / Run Unit Test	4m 20s
Unit Tests (flytestdlib) / Run Unit Test	3m 41s
Integration Test (flyteadmin) / Integration tests	5m 44s
	1h 19m 23s

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