chore(deps): update docker.io/library/mariadb docker tag to v12.2.2

* chore(deps): update docker.io/library/mariadb docker tag to v12.2.2

* chore: sync template versions with image updates

---------

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

library/compose/mariadb/compose.yaml.j2

@@ -2,7 +2,7 @@
 ---
 services:
   {{ service_name }}:
-    image: docker.io/library/mariadb:12.1.2
+    image: docker.io/library/mariadb:12.2.2
     restart: {{ restart_policy }}
     environment:
       - MARIADB_ROOT_PASSWORD=${MARIADB_ROOT_PASSWORD}

library/compose/mariadb/template.yaml

@@ -18,9 +18,9 @@ metadata:
     Username: `root` or `{{ database_user }}`
     Password: {{ database_password }}
     ```
-  version: 12.0.2
+  version: 12.2.2
   author: Christian Lempa
-  date: '2025-09-28'
+  date: '2026-02-16'
   tags: []
   draft: true
 schema: "1.2"