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

---

Configuration

Schedule: At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Renovate will not automatically rebase this PR, because other commits have been found.

Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.

chart/values.yaml

@@ -128,7 +128,7 @@ global:
     # -- If defined, a repository applied to all Argo CD deployments
     repository: registry1.dso.mil/ironbank/big-bang/argocd
     # -- Overrides the global Argo CD image tag whose default is the chart appVersion
-    tag: v2.6.6
+    tag: v2.6.7
     # -- If defined, a imagePullPolicy applied to all Argo CD deployments
     imagePullPolicy: IfNotPresent