Merge pull request #13 from apache/dependabot/maven/org.apache.maven.…

…plugins-maven-compiler-plugin-3.9.0

Bump maven-compiler-plugin from 3.8.1 to 3.9.0

pom.xml

@@ -117,7 +117,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.8.1</version>
+        <version>3.9.0</version>
         <configuration>
           <source>${javaVersion}</source>
           <target>${javaVersion}</target>