Added some CICD best practices to the documentation (#5827) #5311

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	4m 48s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 53s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 6s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 10s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	30s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	5m 23s
Dry Run Goreleaser	7m 23s
Test Getting started	4m 12s
Unit Tests (datacatalog) / Run Unit Test	2m 58s
Unit Tests (flyteadmin) / Run Unit Test	4m 44s
Unit Tests (flytecopilot) / Run Unit Test	2m 30s
Unit Tests (flytectl) / Run Unit Test	3m 42s
Unit Tests (flyteplugins) / Run Unit Test	3m 53s
Unit Tests (flytepropeller) / Run Unit Test	4m 8s
Unit Tests (flytestdlib) / Run Unit Test	3m 33s
Check Go Generate (datacatalog) / Go Generate	1m 35s
Check Go Generate (flyteadmin) / Go Generate	2m 13s
Check Go Generate (flytectl) / Go Generate	2m 7s
Check Go Generate (flytecopilot) / Go Generate	1m 34s
Check Go Generate (flytepropeller) / Go Generate	2m 12s
Lint (datacatalog) / Run Lint	2m 22s
Lint (flyteadmin) / Run Lint	3m 4s
Lint (flytectl) / Run Lint	2m 41s
Lint (flyteidl) / Run Lint	1m 46s
Lint (flyteplugins) / Run Lint	2m 57s
Lint (flytepropeller) / Run Lint	2m 57s
Lint (flytestdlib) / Run Lint	2m 34s
Integration Test (flyteadmin) / Integration tests	6m 6s
	1h 36m 2s

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