chore(deps): update ghcr.io/kyverno/kyvernopre docker tag to v1.12.4

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/kyverno/kyvernopre		patch	v1.12.3 -> v1.12.4
ghcr.io/kyverno/kyvernopre	ironbank-docker	patch	v1.12.3 -> v1.12.4
ghcr.io/kyverno/kyvernopre	stage	patch	v1.12.3 -> v1.12.4

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