Update postgresql Docker tag to v15.4.0

Author: renovate[bot]

helm/todo-app/Chart.lock

@@ -1,9 +1,9 @@
 dependencies:
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 15.1.2
+  version: 15.4.0
 - name: common
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 2.19.1
-digest: sha256:270fd7abb57dfaaa3ad18e8107d09061e749229d0e17ee491090de2ce1cc1109
-generated: "2024-03-28T08:22:34.982817+05:30"
+  version: 2.19.3
+digest: sha256:911493fee3765873a9c8ff97c3e8d845634f8b1ab4b6f260c5a038db0bea864e
+generated: "2024-05-21T16:37:31.947949137Z"

helm/todo-app/Chart.yaml

@@ -25,7 +25,7 @@ appVersion: "1.0.0"
 dependencies:
   - name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 15.1.2
+    version: 15.4.0
     condition: install.infrastructure
   - name: common
     repository: oci://registry-1.docker.io/bitnamicharts