Enable verified monthly PQRST schedule and retain CI coverage

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a0e759-301a-78b1-bbc1-040ef094b12d

k8s/gitops/runtime.yaml

@@ -358,7 +358,7 @@ data:
     ---
     id: monthly-pqrst-review
     name: Monthly PQRST Data Review
-    enabled: false
+    enabled: true
     owner: pqrst-practice
     governance: custodian
     status: active
@@ -367,7 +367,6 @@ data:
       cron_expression: "30 9 1 * *"
       timezone: Europe/Berlin
       misfire_policy: catchup_latest
-      catchup_window_seconds: 86400
     context_sources:
       - type: pqrst
         query: monthly