Added changes required for dex setup for litmus 3.0.0-beta11 (#4163) #881

Job	Run time
get-envs	9s
frontend-checks	2m 1s
backend-checks	25s
docker-build-and-push-authentication-server	8m 44s
docker-build-and-push-event-tracker	20m 39s
docker-build-and-push-subscriber	13m 18s
docker-build-and-push-graphql-server	17m 40s
docker-build-and-push-frontend (litmusportal-frontend)	4m 43s
docker-build-and-push-frontend (litmusportal-frontend-path-litmuschaos, /litmuschaos)	3m 36s
	1h 11m 15s

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