feat(helm)!: Update chart phpmyadmin to 16.0.0 (#5846)

| datasource | package    | from   | to     |
| ---------- | ---------- | ------ | ------ |
| helm       | phpmyadmin | 15.0.0 | 16.0.0 |

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

kubernetes/main/apps/databases/phpmyadmin/app/helmrelease.yaml

@@ -11,7 +11,7 @@ spec:
     spec:
       # renovate: registryUrl=https://charts.bitnami.com/bitnami
       chart: phpmyadmin
-      version: 15.0.0
+      version: 16.0.0
       sourceRef:
         kind: HelmRepository
         name: bitnami-charts