RFC: Add execution concurrency #4255

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	9s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	4s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	1s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	9s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	1s
Dry Run Goreleaser	1s
Test Getting started	1s
Check Go Generate (datacatalog) / Go Generate	1s
Check Go Generate (flyteadmin) / Go Generate	1s
Check Go Generate (flytecopilot) / Go Generate	1s
Check Go Generate (flytectl) / Go Generate	1s
Check Go Generate (flytepropeller) / Go Generate	1s
Lint (datacatalog) / Run Lint	1s
Lint (flyteadmin) / Run Lint	1s
Lint (flytectl) / Run Lint	1s
Lint (flyteidl) / Run Lint	1s
Lint (flyteplugins) / Run Lint	1s
Lint (flytepropeller) / Run Lint	1s
Unit Tests (datacatalog) / Run Unit Test	1s
Lint (flytestdlib) / Run Lint	1s
Unit Tests (flyteadmin) / Run Unit Test	1s
Unit Tests (flytecopilot) / Run Unit Test	1s
Unit Tests (flytectl) / Run Unit Test	1s
Unit Tests (flyteplugins) / Run Unit Test	1s
Unit Tests (flytepropeller) / Run Unit Test	1s
Unit Tests (flytestdlib) / Run Unit Test	1s
Integration Test	1s
	50s

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