fix(cloudnative-pg): update helm-release to v0.20.2 (#2687)

Co-authored-by: tyriis-automation[bot] <133711747+tyriis-automation[bot]@users.noreply.github.com>

Author: tyriis-automation[bot]

kubernetes/talos-flux/apps/database/cloudnative-pg/app/helm-release.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: cloudnative-pg
-      version: 0.20.1
+      version: 0.20.2
       sourceRef:
         kind: HelmRepository
         name: cloudnative-pg-charts