Update godaddy/kubernetes-external-secrets Docker tag to v5

This MR contains the following updates:

Package	Type	Update	Change
godaddy/kubernetes-external-secrets	ironbank-docker	major	4.2.0 -> 5.1.0
godaddy/kubernetes-external-secrets		major	4.2.0 -> 5.1.0
godaddy/kubernetes-external-secrets	stage	major	4.2.0 -> 5.1.0

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