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

Author: renovate-bot

charts/scroll-sdk/Chart.yaml

@@ -91,7 +91,7 @@ dependencies:
     condition: l2-sequencer.enabled
   - name: postgresql
     repository: "oci://registry-1.docker.io/bitnamicharts"
-    version: 15.5.0
+    version: 15.5.38
     condition: postgresql.enabled
   - name: rollup-explorer-backend
     version: 0.1.1