Merge pull request #302 from xenit-eu/fix-release

update com.gradle.plugin-publish plugin

Author: kerkhofsd

gradle-plugin/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id "com.gradle.plugin-publish" version "0.10.1"
+    id "com.gradle.plugin-publish" version "0.12.0"
     id "nebula.integtest" version "6.0.3"
     id "de.fuerstenau.buildconfig" version "1.1.8"
     id "java-gradle-plugin"