Bump version to SR2

Change-Id: If32c54cb5f8c6179e3c6dbf7fba7bfe33402ffea
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index 9eb4662..0245769 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>io.fd.gerrit</groupId>
     <artifactId>maintainer-plugin</artifactId>
-    <version>2.13-SR2-SNAPSHOT</version>
+    <version>2.13-SR2</version>
     <packaging>jar</packaging>
 
     <properties>