chore(deps): update postgresql docker tag to v15.5.28 (#317)

* chore(deps): update postgresql docker tag to v15.5.28

* Update Chart.yaml

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Léo Colombaro <[email protected]>

Author: renovate[bot]

charts/netbox/Chart.lock

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: netbox
-version: 5.0.0-beta.85
+version: 5.0.0-beta.86
 appVersion: "v4.0.11"
 type: application
 kubeVersion: ^1.25.0-0
@@ -22,7 +22,7 @@ dependencies:
     tags:
       - bitnami-common
   - name: postgresql
-    version: ^15.5.23
+    version: ^15.5.28
     repository: oci://registry-1.docker.io/bitnamicharts
     condition: postgresql.enabled
   - name: redis