Use '@project.' instead of '@pom.' expression prefix

Author: michael-o

src/it/projects/new-configuration/pom.xml

@@ -50,7 +50,7 @@ under the License.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>@pom.version@</version>
+        <version>@project.version@</version>
         <configuration>
           <reportPlugins>
             <plugin>

src/it/projects/report-changes-generation/pom.xml

@@ -81,7 +81,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>@pom.version@</version>
+        <version>@project.version@</version>
       </plugin>
     </plugins>
   </build>