#136 use javac compiler as default

also update compiler dependencies

Author: alexander-dammeier

pom.xml

@@ -98,20 +98,17 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
-                <configuration>
-                    <compilerId>groovy-eclipse-compiler</compilerId>
-                </configuration>
+                <version>3.13.0</version>
                 <dependencies>
                     <dependency>
                         <groupId>org.codehaus.groovy</groupId>
                         <artifactId>groovy-eclipse-compiler</artifactId>
-                        <version>3.3.0-01</version>
+                        <version>3.7.0</version>
                     </dependency>
                     <dependency>
                         <groupId>org.codehaus.groovy</groupId>
                         <artifactId>groovy-eclipse-batch</artifactId>
-                        <version>2.5.6-01</version>
+                        <version>3.0.8-01</version>
                     </dependency>
                 </dependencies>
             </plugin>