chore(deps): update postgresql docker tag to v15.5.38

Author: renovate-bot

charts/scroll-sdk/Chart.yaml

@@ -87,7 +87,7 @@ dependencies:
     condition: loki-stack.enabled
   - name: postgresql
     repository: "oci://registry-1.docker.io/bitnamicharts"
-    version: 15.5.0
+    version: 15.5.38
     condition: postgresql.enabled
   - name: kube-prometheus-stack
     repository: "https://prometheus-community.github.io/helm-charts"