Monitoring tag bump

Summary

Moved monitoring to new tag that moves to new helm test infra

chart/values.yaml

@@ -313,7 +313,7 @@ monitoring:
   git:
     repo: https://repo1.dso.mil/platform-one/big-bang/apps/core/monitoring.git
     path: "./chart"
-    tag: "11.0.0-bb.17"
+    tag: "11.0.0-bb.18"
 
   # -- Flux reconciliation overrides specifically for the Monitoring Package
   flux: {}
@@ -904,4 +904,4 @@ addons:
     flux: {}
 
     # -- Values to passthrough to the keycloak chart: https://repo1.dso.mil/platform-one/big-bang/apps/security-tools/keycloak.git
-    values: {}
\ No newline at end of file
+    values: {}