Use the default mariadb container

Author: Michael Vasseur

.github/workflows/unit-tests.yml

@@ -9,6 +9,14 @@ on:
 
 jobs:
   check-static-codecov:
+    services:
+      sqlserver:
+        image: mariadb
+        ports:
+          - 3306:3306
+        env:
+          MYSQL_ROOT_PASSWORD: root
+        options: --health-cmd="healthcheck.sh --connect --innodb_initialized" --health-interval=10s --health-timeout=5s --health-retries=3
     container:
       image: domjudge/gitlabci:24.04
     runs-on: ubuntu-latest