Merge pull request #1156 from ChristianLempa/renovate/docker.io-library-mariadb-12.x

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

docker-compose/mariadb/compose.yaml

@@ -7,7 +7,7 @@ volumes:
   mariadb-data:
 services:
   mariadb:
-    image: docker.io/library/mariadb:11.8.3
+    image: docker.io/library/mariadb:12.0.2
     # (Optional) remove this section when you don't want to expose
     ports:
       - 3306:3306