Use plugins versions from parent in ITs

Author: slawekjaranowski

src/it/surefire/pom.xml

@@ -26,7 +26,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.8.1</version>
+          <version>@maven-compiler-plugin.version@</version>
           <configuration>
             <source>1.8</source>
             <target>1.8</target>
@@ -59,7 +59,7 @@
 
       <plugin>
         <artifactId>maven-surefire-plugin</artifactId> 
-        <version>2.9</version>
+        <version>@maven-surefire-plugin.version@</version>
         <configuration>
           <systemProperties>
             <property>