[MJAR-278] Update plugin (requires Maven 3.2.5+) (#19)

Update plugin:
 * make it Java8 
 * requires Maven 3.2.5+
 * maven bits scope set to provided
 * update file-management 3.1.0
 * update maven-archiver 3.6.0

Author: cstamas

pom.xml

@@ -75,13 +75,8 @@
   </distributionManagement>
 
   <properties>
-    <mavenFileManagementVersion>3.0.0</mavenFileManagementVersion>
-    <mavenArchiverVersion>3.5.2</mavenArchiverVersion>
-    <mavenVersion>3.1.0</mavenVersion>
-    <!-- TODO remove with Maven APi upgrade -->
-    <!-- the same version as in Maven 3.1.0 -->
-    <sisuVersion>0.0.0.M2a</sisuVersion>
     <javaVersion>8</javaVersion>
+    <mavenVersion>3.2.5</mavenVersion>
     <project.build.outputTimestamp>2022-01-08T21:19:21Z</project.build.outputTimestamp>
   </properties>
 
@@ -113,43 +108,26 @@
     <dependency>
       <groupId>org.apache.maven.shared</groupId>
       <artifactId>file-management</artifactId>
-      <version>${mavenFileManagementVersion}</version>
+      <version>3.1.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-archiver</artifactId>
-      <version>${mavenArchiverVersion}</version>
+      <version>3.6.0</version>
     </dependency>
     <!-- dependencies to annotations -->
     <dependency>
       <groupId>org.apache.maven.plugin-tools</groupId>
       <artifactId>maven-plugin-annotations</artifactId>
       <scope>provided</scope>
     </dependency>
-    <!--
-      ! other dependencies contain references to older versions
-      ! so we define it here explicit to make sure we get the
-      ! correct version for plexus-utils.
-    -->
-    <!--
-     ! maven-shared-utils is pulled by file-management
-     ! Need to use a more recent version otherwise
-     ! the build will fail. This needed to be kept
-     ! here until a new version of file-management
-     ! has been made. 
-    -->
-    <dependency>
-      <groupId>org.apache.maven.shared</groupId>
-      <artifactId>maven-shared-utils</artifactId>
-      <version>3.3.4</version>
-      <scope>runtime</scope>
-    </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
-      <artifactId>plexus-utils</artifactId>
-      <version>3.4.2</version>
-      <scope>runtime</scope>
+      <artifactId>plexus-archiver</artifactId>
+      <version>4.3.0</version>
     </dependency>
+
+    <!-- Test -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -159,7 +137,7 @@
     <dependency>
       <groupId>org.apache.maven.plugin-testing</groupId>
       <artifactId>maven-plugin-testing-harness</artifactId>
-      <version>3.1.0</version>
+      <version>3.3.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>