[Docs] Rename container_image to image for improved UX #5997

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	5m 14s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	6m 21s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 29s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	6m 37s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 19s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	32s
Dry Run Goreleaser	7m 38s
Test Getting started	6m 38s
Check Go Generate (datacatalog) / Go Generate	1m 35s
Check Go Generate (flytecopilot) / Go Generate	1m 35s
Check Go Generate (flytectl) / Go Generate	2m 10s
Check Go Generate (flyteadmin) / Go Generate	2m 36s
Check Go Generate (flytepropeller) / Go Generate	2m 19s
Lint (datacatalog) / Run Lint	2m 31s
Lint (flyteadmin) / Run Lint	3m 46s
Lint (flytecopilot) / Run Lint	1m 59s
Lint (flytectl) / Run Lint	3m 12s
Lint (flyteidl) / Run Lint	2m 0s
Lint (flytepropeller) / Run Lint	3m 14s
Lint (flyteplugins) / Run Lint	3m 10s
Lint (flytestdlib) / Run Lint	2m 51s
Unit Tests (flyteadmin) / Run Unit Test	4m 54s
Unit Tests (datacatalog) / Run Unit Test	3m 6s
Unit Tests (flytecopilot) / Run Unit Test	2m 40s
Unit Tests (flytectl) / Run Unit Test	3m 38s
Unit Tests (flytepropeller) / Run Unit Test	4m 17s
Unit Tests (flyteplugins) / Run Unit Test	3m 58s
Unit Tests (flytestdlib) / Run Unit Test	3m 46s
Integration Test (flyteadmin) / Integration tests	6m 14s
	1h 47m 20s

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