Update contributing docs #5042

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	4m 45s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 10s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 21s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	27s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 22s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	6m 27s
Dry Run Goreleaser	7m 33s
Test Getting started	6m 56s
Unit Tests (datacatalog) / Run Unit Test	2m 51s
Unit Tests (flyteadmin) / Run Unit Test	4m 17s
Unit Tests (flytecopilot) / Run Unit Test	2m 29s
Unit Tests (flytectl) / Run Unit Test	3m 27s
Unit Tests (flyteplugins) / Run Unit Test	3m 51s
Unit Tests (flytestdlib) / Run Unit Test	3m 37s
Unit Tests (flytepropeller) / Run Unit Test	4m 13s
Check Go Generate (datacatalog) / Go Generate	1m 28s
Check Go Generate (flyteadmin) / Go Generate	2m 19s
Check Go Generate (flytecopilot) / Go Generate	1m 49s
Check Go Generate (flytectl) / Go Generate	2m 4s
Check Go Generate (flytepropeller) / Go Generate	2m 9s
Lint (datacatalog) / Run Lint	2m 18s
Lint (flyteadmin) / Run Lint	2m 51s
Lint (flytectl) / Run Lint	2m 34s
Lint (flyteidl) / Run Lint	1m 48s
Lint (flyteplugins) / Run Lint	2m 47s
Lint (flytepropeller) / Run Lint	2m 35s
Lint (flytestdlib) / Run Lint	2m 17s
Integration Test (flyteadmin) / Integration tests	6m 7s
	1h 37m 53s

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