[MNG-7876] Add model version analysis and downgrade (#291)

Author: gnodet

core-it-suite/src/test/resources/mng-7038-rootdir/module-a/pom.xml

@@ -17,9 +17,7 @@ KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" root="true" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-
-  <modelVersion>4.0.0</modelVersion>
+<project xmlns="http://maven.apache.org/POM/4.1.0" root="true">
 
   <parent>
     <groupId>org.apache.maven.its.mng7038</groupId>