Set version to 2.6-rc2 to match the Gerrit release

Change-Id: Ic3c91d31ce4f62ef849e2e3168c8bca3dc31fbba

pom.xml

diff --git a/pom.xml b/pom.xml
index b58ed3b..7917566 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <groupId>com.googlesource.gerrit.plugins.replication</groupId>
   <artifactId>replication</artifactId>
   <packaging>jar</packaging>
-  <version>2.8-SNAPSHOT</version>
+  <version>2.6-rc2</version>
 
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>