Added some CICD best practices to the documentation #4982

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	5m 1s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 16s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 48s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 13s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	1m 30s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	5m 21s
Dry Run Goreleaser	7m 16s
Test Getting started	9m 7s
Check Go Generate (datacatalog) / Go Generate	40s
Check Go Generate (flyteadmin) / Go Generate	48s
Check Go Generate (flytecopilot) / Go Generate	29s
Check Go Generate (flytectl) / Go Generate	1m 5s
Lint (datacatalog) / Run Lint	1m 25s
Check Go Generate (flytepropeller) / Go Generate	1m 11s
Lint (flyteadmin) / Run Lint	1m 6s
Lint (flyteidl) / Run Lint	49s
Lint (flytectl) / Run Lint	1m 51s
Lint (flyteplugins) / Run Lint	2m 14s
Lint (flytepropeller) / Run Lint	2m 6s
Lint (flytestdlib) / Run Lint	1m 45s
Unit Tests (datacatalog) / Run Unit Test	2m 13s
Unit Tests (flyteadmin) / Run Unit Test	3m 36s
Unit Tests (flytecopilot) / Run Unit Test	2m 5s
Unit Tests (flytectl) / Run Unit Test	2m 59s
Unit Tests (flyteplugins) / Run Unit Test	3m 3s
Unit Tests (flytepropeller) / Run Unit Test	3m 31s
Unit Tests (flytestdlib) / Run Unit Test	3m 1s
Integration Test (flyteadmin) / Integration tests	6m 9s
	1h 24m 39s

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