chore(deps): update container image mariadb to v15.3.1@73faf56 by renovate (#25773)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [mariadb](https://truecharts.org/charts/stable/mariadb)
([source](https://redirect.github.com/bitnami/bitnami-docker-mariadb)) |
patch | `15.3.0` -> `15.3.1` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC41OS4yIiwidXBkYXRlZEluVmVyIjoiMzguNTkuMiIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJ1cGRhdGUvZG9ja2VyL2dlbmVyYWwvbm9uLW1ham9yIl19-->

charts/stable/matomo/Chart.yaml

@@ -16,7 +16,7 @@ dependencies:
     tags: []
     import-values: []
   - name: mariadb
-    version: 15.3.0
+    version: 15.3.1
     repository: oci://tccr.io/truecharts
     condition: mariadb.enabled
     alias: ""
@@ -40,4 +40,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/matomo
   - https://hub.docker.com/r/bitnami/matomo
 type: application
-version: 15.5.1
+version: 15.5.2