feat(chart): update dependencies (PostgreSQL to v18.6.2, Valkey to v5.4.11)

charts/aiapi/Chart.yaml

@@ -12,10 +12,10 @@ version: 0.0.2
 appVersion: latest
 dependencies:
   - name: postgresql
-    version: 17.1.0
+    version: 18.6.2
     repository: oci://registry-1.docker.io/bitnamicharts
     condition: postgresql.enabled
   - name: valkey
-    version: 4.0.2
+    version: 5.4.11
     repository: oci://registry-1.docker.io/bitnamicharts
     condition: valkey.enabled