Update postgres minor version to latest

kaessert · kaessert · commit 975915941367 · 2025-01-16T15:48:54.000+01:00
diff --git a/examples/postgres-claim.yaml b/examples/postgres-claim.yaml
@@ -7,7 +7,7 @@ spec:
   parameters:
     region: us-west-2
     engine: postgres
-    engineVersion: "13.13"
+    engineVersion: "13.18"
     storageGB: 5
     passwordSecretRef:
       namespace: default
