Merge branch '130-argo-v1-8-and-plugins-from-ironbank' into 'master'

Resolve "Argo v1.8 and Plugins from IronBank"

Closes #166 and #130

See merge request platform-one/big-bang/bigbang!275

chart/values.yaml

@@ -300,7 +300,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/core/argocd.git
       path: "./chart"
-      tag: "2.9.5-bb.4"
+      tag: "2.14.7-bb.0"
     sso:
       # -- Toggle SSO for ArgoCD on and off
       enabled: false