Draft: SKIP UPDATE CHECK Update Ironbank to v2.6.7

This MR contains the following updates:

Package	Update	Change
ironbank/big-bang/argocd	patch	v2.6.6 -> v2.6.7
registry1.dso.mil/ironbank/big-bang/argocd	patch	v2.6.6 -> v2.6.7

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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