Fix: Sanitize user identity before injecting into task pod as K8s label #2389

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	2m 3s
Docker Build Images (flyteadmin) / build_docker	2m 59s
Docker Build Images (flytecopilot) / build_docker	2m 1s
Docker Build Images (flytepropeller) / build_docker	2m 51s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 29s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 24s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 37s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	3m 36s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 39s
Lint (datacatalog) / Run Lint	2m 23s
Lint (flyteadmin) / Run Lint	3m 22s
Lint (flyteidl) / Run Lint	1m 53s
Lint (flyteplugins) / Run Lint	2m 54s
Lint (flytepropeller) / Run Lint	3m 19s
Lint (flytestdlib) / Run Lint	2m 44s
Unit Tests (datacatalog) / Run Unit Test	2m 55s
Unit Tests (flyteadmin) / Run Unit Test	4m 20s
Unit Tests (flytecopilot) / Run Unit Test	2m 32s
Unit Tests (flyteplugins) / Run Unit Test	3m 51s
Unit Tests (flytepropeller) / Run Unit Test	4m 0s
Unit Tests (flytestdlib) / Run Unit Test	3m 48s
Check Go Generate (datacatalog) / Go Generate	1m 18s
Check Go Generate (flyteadmin) / Go Generate	2m 26s
Check Go Generate (flytecopilot) / Go Generate	1m 22s
Check Go Generate (flytepropeller) / Go Generate	2m 28s
Integration Test (flyteadmin) / Integration tests	5m 39s
	1h 16m 54s

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