Upgrade to Maven Compiler Plugin 3.11.0.

Author: jxblum

pom.xml

@@ -76,7 +76,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
+		<maven-compiler-plugin.version>3.11.0</maven-compiler-plugin.version>
 		<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<apache-geode.version>1.14.4</apache-geode.version>