set viper delimiter to :: to support . in config keys #5925

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	5m 29s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 18s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	6m 44s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 13s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	6m 17s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	6m 49s
Dry Run Goreleaser	10m 42s
Test Getting started	2m 34s
Check Go Generate (flyteadmin) / Go Generate	2m 18s
Check Go Generate (flytecopilot) / Go Generate	1m 26s
Check Go Generate (datacatalog) / Go Generate	1m 30s
Check Go Generate (flytectl) / Go Generate	2m 2s
Check Go Generate (flytepropeller) / Go Generate	2m 13s
Lint (flyteadmin) / Run Lint	3m 33s
Lint (datacatalog) / Run Lint	2m 20s
Lint (flytecopilot) / Run Lint	1m 56s
Lint (flyteplugins) / Run Lint	2m 52s
Lint (flytectl) / Run Lint	2m 39s
Lint (flyteidl) / Run Lint	2m 1s
Lint (flytepropeller) / Run Lint	3m 6s
Lint (flytestdlib) / Run Lint	2m 37s
Unit Tests (datacatalog) / Run Unit Test	2m 52s
Unit Tests (flyteadmin) / Run Unit Test	4m 46s
Unit Tests (flytecopilot) / Run Unit Test	2m 38s
Unit Tests (flytectl) / Run Unit Test	3m 29s
Unit Tests (flyteplugins) / Run Unit Test	4m 9s
Unit Tests (flytepropeller) / Run Unit Test	4m 20s
Unit Tests (flytestdlib) / Run Unit Test	3m 42s
Integration Test (flyteadmin) / Integration tests	13m 30s
	1h 57m 6s

Provide feedback