Merge pull request #103 from codehaus-plexus/dependabot/maven/org.apache.maven.plugins-maven-compiler-plugin-3.9.0

Author: dependabot[bot]

pom.xml

@@ -63,7 +63,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.8.1</version>
+          <version>3.9.0</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>