Add instructions on how to yank a flytectl release #5746

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	5m 4s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 41s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	5m 46s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 30s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	31s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	5m 56s
Dry Run Goreleaser	7m 29s
Test Getting started	8m 31s
Unit Tests (datacatalog) / Run Unit Test	3m 4s
Unit Tests (flyteadmin) / Run Unit Test	4m 46s
Unit Tests (flytecopilot) / Run Unit Test	2m 44s
Unit Tests (flytectl) / Run Unit Test	3m 38s
Unit Tests (flytepropeller) / Run Unit Test	4m 19s
Unit Tests (flyteplugins) / Run Unit Test	4m 3s
Unit Tests (flytestdlib) / Run Unit Test	3m 47s
Check Go Generate (datacatalog) / Go Generate	1m 38s
Check Go Generate (flyteadmin) / Go Generate	2m 24s
Check Go Generate (flytecopilot) / Go Generate	1m 31s
Check Go Generate (flytectl) / Go Generate	2m 5s
Check Go Generate (flytepropeller) / Go Generate	2m 25s
Lint (datacatalog) / Run Lint	2m 28s
Lint (flyteadmin) / Run Lint	3m 15s
Lint (flytecopilot) / Run Lint	2m 2s
Lint (flytectl) / Run Lint	2m 39s
Lint (flyteidl) / Run Lint	2m 7s
Lint (flyteplugins) / Run Lint	3m 5s
Lint (flytepropeller) / Run Lint	3m 19s
Lint (flytestdlib) / Run Lint	2m 38s
Integration Test (flyteadmin) / Integration tests	6m 14s
	1h 46m 40s

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