Fix grammatical error in workflow lifecycle docs #3053

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 10s
Docker Build Images (flyteadmin) / build_docker	2m 53s
Docker Build Images (flytecopilot) / build_docker	2m 3s
Docker Build Images (flytepropeller) / build_docker	3m 0s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 30s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 17s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 25s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 35s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 25s
Check Go Generate (datacatalog) / Go Generate	1m 32s
Check Go Generate (flytepropeller) / Go Generate	2m 17s
Check Go Generate (flytecopilot) / Go Generate	1m 31s
Check Go Generate (flyteadmin) / Go Generate	2m 16s
Lint (datacatalog) / Run Lint	2m 26s
Lint (flyteadmin) / Run Lint	3m 17s
Lint (flyteidl) / Run Lint	1m 56s
Lint (flyteplugins) / Run Lint	3m 2s
Lint (flytepropeller) / Run Lint	3m 6s
Lint (flytestdlib) / Run Lint	2m 42s
Unit Tests (datacatalog) / Run Unit Test	3m 0s
Unit Tests (flyteadmin) / Run Unit Test	4m 26s
Unit Tests (flytecopilot) / Run Unit Test	2m 38s
Unit Tests (flyteplugins) / Run Unit Test	4m 13s
Unit Tests (flytepropeller) / Run Unit Test	4m 26s
Unit Tests (flytestdlib) / Run Unit Test	3m 39s
Integration Test (flyteadmin) / Integration tests	5m 45s
	1h 17m 31s

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