Merge branch 'authservice-oscal' into 'master'

Update chart/values.yaml

Closes #990

See merge request platform-one/big-bang/bigbang!1240

chart/values.yaml

@@ -602,7 +602,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/core/authservice.git
       path: "./chart"
-      tag: "0.4.0-bb.20"
+      tag: "0.4.0-bb.21"
 
     # -- Flux reconciliation overrides specifically for the Authservice Package
     flux: {}