Auth: Changing PasswordEncryptionCost to reduce the latency in /login… #1226

Job	Run time
frontend-checks	1m 15s
backend-checks	16s
get-envs	7s
docker-build-and-push-event-tracker	9m 53s
docker-build-and-push-graphql-server	9m 59s
docker-build-and-push-subscriber	8m 21s
docker-build-and-push-authentication-server	5m 52s
docker-build-and-push-frontend (litmusportal-frontend)	2m 25s
docker-build-and-push-frontend (litmusportal-frontend-path-litmuschaos, /litmuschaos)	2m 33s
	40m 41s

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