Updates for authorization addons

We have updated our monitoring plugins on our Kubernetes clusters.

Besides the several minor improvements and bug-fixes, these updates also brings new features, for Dex the Github Connector now supports passing redirect url, oauth2-proxy’s new chart version enabled support (EKS IAM roles for service accounts)[https://docs.aws.amazon.com/eks/latest/userguide/iam-roles-for-service-accounts.html], and for the Redis version of the oauth2-proxy there are also critical security bugs got resolved.

These updates have been rolled out to all staging and production clusters.