[MCHECKSTYLE-448] Upgrade to Parent 42 and Maven 3.6.3

This closes #137

pom.xml

@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven.plugins</groupId>
     <artifactId>maven-plugins</artifactId>
-    <version>41</version>
+    <version>42</version>
     <relativePath />
   </parent>
 
@@ -74,8 +74,8 @@ under the License.
 
   <properties>
     <javaVersion>8</javaVersion>
-    <aetherVersion>1.0.0.v20140518</aetherVersion>
-    <mavenVersion>3.2.5</mavenVersion>
+    <mavenVersion>3.6.3</mavenVersion>
+    <resolverVersion>1.4.1</resolverVersion>
     <checkstyleVersion>9.3</checkstyleVersion>
     <slf4jVersion>1.7.36</slf4jVersion>
     <doxiaVersion>1.11.1</doxiaVersion>
@@ -238,27 +238,27 @@ under the License.
       </exclusions>
     </dependency>
     <dependency>
-      <groupId>org.eclipse.aether</groupId>
-      <artifactId>aether-api</artifactId>
-      <version>${aetherVersion}</version>
+      <groupId>org.apache.maven.resolver</groupId>
+      <artifactId>maven-resolver-api</artifactId>
+      <version>${resolverVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>org.eclipse.aether</groupId>
-      <artifactId>aether-impl</artifactId>
-      <version>${aetherVersion}</version>
+      <groupId>org.apache.maven.resolver</groupId>
+      <artifactId>maven-resolver-impl</artifactId>
+      <version>${resolverVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>org.eclipse.aether</groupId>
-      <artifactId>aether-connector-basic</artifactId>
-      <version>${aetherVersion}</version>
+      <groupId>org.apache.maven.resolver</groupId>
+      <artifactId>maven-resolver-connector-basic</artifactId>
+      <version>${resolverVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
-      <groupId>org.eclipse.aether</groupId>
-      <artifactId>aether-transport-wagon</artifactId>
-      <version>${aetherVersion}</version>
+      <groupId>org.apache.maven.resolver</groupId>
+      <artifactId>maven-resolver-transport-wagon</artifactId>
+      <version>${resolverVersion}</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -302,36 +302,14 @@ under the License.
       </plugins>
     </pluginManagement>
     <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.5.0</version>
-        <executions>
-          <!--
-            Make the version parts of the maven.compiler.target property
-            available as separate properties, so that they can be used to define
-            the java signature artifactId used by animal-sniffer
-          -->
-          <execution>
-            <id>parse-version</id>
-            <goals>
-              <goal>parse-version</goal>
-            </goals>
-            <configuration>
-              <propertyPrefix>javaSignature</propertyPrefix>
-              <versionString>${maven.compiler.target}</versionString>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>animal-sniffer-maven-plugin</artifactId>
         <version>1.23</version>
         <configuration>
           <signature>
             <groupId>org.codehaus.mojo.signature</groupId>
-            <artifactId>java${javaSignature.majorVersion}${javaSignature.minorVersion}</artifactId>
+            <artifactId>java18</artifactId>
             <version>1.0</version>
           </signature>
         </configuration>