Update quay.io/argoproj/argocd Docker tag to v2.1.0

This MR contains the following updates:

Package	Type	Update	Change
quay.io/argoproj/argocd	ironbank-docker	minor	v2.0.5 -> v2.1.0
quay.io/argoproj/argocd		minor	v2.0.5 -> v2.1.0
quay.io/argoproj/argocd	stage	minor	v2.0.5 -> v2.1.0

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