Fix for change to JavaSE-11 (from 8)

Change-Id: Iec4595bd2793f62f75a5c4ae292025846906d0ab
diff --git a/pom.xml b/pom.xml
index ee47045..d5ed14e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -408,7 +408,7 @@
                 <url>${eclipserun-repo}</url>
               </repository>
             </repositories>
-            <executionEnvironment>JavaSE-1.8</executionEnvironment>
+            <executionEnvironment>JavaSE-11</executionEnvironment>
           </configuration>
         </plugin>
         <plugin>