Dependency scopes cleanup

Just like in case of plugins, this component (that
is able to work only within Maven) should declare
maven dependencies as provided.

pom.xml

@@ -104,21 +104,25 @@
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-artifact</artifactId>
       <version>${maven.version}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-model</artifactId>
       <version>${maven.version}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>
       <version>${maven.version}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-api</artifactId>
       <version>${maven.version}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>commons-io</groupId>
@@ -160,13 +164,13 @@
       <groupId>org.apache.maven.plugin-testing</groupId>
       <artifactId>maven-plugin-testing-harness</artifactId>
       <version>3.1.0</version>
+      <scope>test</scope>
       <exclusions>
         <exclusion>
           <groupId>org.codehaus.plexus</groupId>
           <artifactId>plexus-container-default</artifactId>
         </exclusion>
       </exclusions>
-      <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.openjdk.jmh</groupId>