Merge pull request #214 from maxmind/dependabot/maven/org.apache.maven.plugins-maven-compiler-plugin-3.9.0

Bump maven-compiler-plugin from 3.8.1 to 3.9.0

Author: oschwald

pom.xml

@@ -156,7 +156,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
+                <version>3.9.0</version>
                 <configuration>
                     <release>11</release>
                     <source>1.11</source>