[MCHANGES-356] Upgrade org.eclipse.egit.github.core to 2.1.5

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1685879 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index cee6b7b..ba49cef 100644
--- a/pom.xml
+++ b/pom.xml
@@ -342,7 +342,7 @@
     <dependency>
       <groupId>org.eclipse.mylyn.github</groupId>
       <artifactId>org.eclipse.egit.github.core</artifactId>
-      <version>1.2.0</version>
+      <version>2.1.5</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>