[misc] Make sure archetypes are generated with the right versions

xwiki-rendering-archetype-macro/src/main/resources/archetype-resources/pom.xml

@@ -35,16 +35,16 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.8.1</version>
+        <version>${maven.compiler.version}</version>
         <configuration>
-          <source>1.8</source>
-          <target>1.8</target>
+          <source>${xwiki.java.version}</source>
+          <target>${xwiki.java.version}</target>
         </configuration>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>2.22.2</version>
+        <version>${surefire.version}</version>
         <configuration>
           <includes>
             <include>**/IntegrationTests.java</include>