Update ghcr.io/external-secrets/kubernetes-external-secrets Docker tag to v8.2.3

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/external-secrets/kubernetes-external-secrets	ironbank-docker	patch	8.2.2 -> 8.2.3
ghcr.io/external-secrets/kubernetes-external-secrets		patch	8.2.2 -> 8.2.3
ghcr.io/external-secrets/kubernetes-external-secrets	stage	patch	8.2.2 -> 8.2.3

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