Update argocd git tag to 5.5.7.-bb.4

chart/values.yaml

@@ -745,8 +745,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/core/argocd.git
       path: "./chart"
-      tag: null
-      branch: "BrandenCobb-main-patch-52481"
+      tag: "5.5.7-bb.4"
 
     # -- Flux reconciliation overrides specifically for the ArgoCD Package
     flux: {}