Run ci also with Maven 4

Author: slachiewicz

.github/workflows/maven-verify.yml

@@ -25,3 +25,5 @@ jobs:
   build:
     name: Verify
     uses: apache/maven-gh-actions-shared/.github/workflows/maven-verify.yml@v4
+    with:
+      maven4-enabled: true

src/it/export-ant-properties/pom.xml

@@ -53,7 +53,7 @@ under the License.
       </plugin>
       <plugin>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>1.4.1</version>
+        <version>3.6.2</version>
         <executions>
           <execution>
             <id>enforce-properties</id>