chore(deps): update container image mariadb to v15.3.7@999750e by renovate (#26914)

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 | `15.3.6` -> `15.3.7` |

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

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charts/stable/piwigo/Chart.yaml

@@ -16,7 +16,7 @@ dependencies:
     tags: []
     import-values: []
   - name: mariadb
-    version: 15.3.6
+    version: 15.3.7
     repository: oci://tccr.io/truecharts
     condition: mariadb.enabled
     alias: ""
@@ -42,4 +42,4 @@ sources:
   - https://github.com/linuxserver/docker-piwigo
   - https://github.com/truecharts/charts/tree/master/charts/stable/piwigo
 type: application
-version: 14.5.12
+version: 14.5.13