Merge pull request #491 from line/renovate/org.apache.maven.plugins-maven-compiler-plugin-3.x

Update dependency org.apache.maven.plugins:maven-compiler-plugin to v3.11.0

Author: renovate[bot]

generator/pom.xml

@@ -100,7 +100,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.6.1</version>
+                <version>3.11.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>