update j2cl versions

Author: FrankHossfeld

gwt-core-j2cl-tests/pom.xml

@@ -44,13 +44,13 @@
     <inceptionYear>2019</inceptionYear>
 
     <properties>
-        <maven.j2cl.plugin>0.15-SNAPSHOT</maven.j2cl.plugin>
+        <maven.j2cl.plugin>0.16-SNAPSHOT</maven.j2cl.plugin>
         <maven.resource.plugin>3.1.0</maven.resource.plugin>
 
         <!-- CI -->
         <vertispan.j2cl.repo.url>https://repo.vertispan.com/j2cl/</vertispan.j2cl.repo.url>
 
-        <j2cl.version>0.7-SNAPSHOT</j2cl.version>
+        <j2cl.version>0.8-SNAPSHOT</j2cl.version>
     </properties>
 
     <dependencies>