Also test with the strict SQL version

Author: Michael Vasseur

.github/workflows/integration.yml

@@ -17,9 +17,12 @@ jobs:
     container:
       image: domjudge/gitlabci:24.04
       options: --privileged --cgroupns=host --init
+    strategy:
+      matrix:
+        sql: [mariadb, mysql]
     services:
       sqlserver:
-        image: mariadb
+        image: ${{ matrix.sql }}
         ports:
           - 3306:3306
         env: