Update compiler

By: md_5 <git@md-5.net>

paper-server/pom.xml

@@ -193,7 +193,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.7.0</version>
+                <version>3.8.0</version>
                 <configuration>
                     <!-- we use the Eclipse compiler as it doesn't need a JDK -->
                     <compilerId>eclipse</compilerId>
@@ -203,7 +203,7 @@
                     <dependency>
                         <groupId>org.codehaus.plexus</groupId>
                         <artifactId>plexus-compiler-eclipse</artifactId>
-                        <version>2.8.1-spigotmc</version>
+                        <version>2.8.5-spigotmc</version>
                     </dependency>
                 </dependencies>
             </plugin>