Merge branch 'update-policy-tag-3.15.0-bb.6' into 'master'

gatekeeper update to 3.15.0-bb.6

Closes big-bang/product/packages/policy#208

See merge request !4173

chart/values.yaml

@@ -457,11 +457,11 @@ gatekeeper:
   git:
     repo: https://repo1.dso.mil/big-bang/product/packages/policy.git
     path: "./chart"
-    tag: "3.15.0-bb.4"
+    tag: "3.15.0-bb.6"
   helmRepo:
     repoName: "registry1"
     chartName: "gatekeeper"
-    tag: "3.15.0-bb.4"
+    tag: "3.15.0-bb.6"
 
   # -- Flux reconciliation overrides specifically for the OPA Gatekeeper Package
   flux: