Keycloak upgrade with monitoring fix

Big Bang

Update keycloak release tag and test-values and example configs.

Package Merge Request

Package Changes

• Keycloak patch upgrade from 20.0.2 to 20.0.3
• fixes for prometheus monitoring

Package MR

big-bang/product/packages/keycloak!97 (merged)

For Issue

Closes big-bang/product/packages/keycloak#81 (closed)

chart/values.yaml

@@ -1403,7 +1403,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak.git
       path: "./chart"
-      tag: "18.3.0-bb.2"
+      tag: "18.4.0-bb.0"
 
     database:
       # -- Hostname of a pre-existing database to use for Keycloak.