Upgrade to maven-compiler-plugin 3.5

Release notes:

https://mail-archives.apache.org/mod_mbox/maven-announce/201601.mbox/%3CCAK2FUK1kNz9di_SAUDBO2VjD3XLEL%3D0XLJkLkg68Q7x4ChJh-w%40mail.gmail.com%3E

pom.xml

@@ -94,7 +94,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.3</version>
+        <version>3.5</version>
         <configuration>
           <compilerId>javac-with-errorprone</compilerId>
           <forceJavacCompilerUse>true</forceJavacCompilerUse>