Bump version to SR1

Change-Id: I5e495871e362db71ccaa1c653975b488ff7aeb1f
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
diff --git a/pom.xml b/pom.xml
index 2005425..0c6764e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>io.fd.gerrit</groupId>
     <artifactId>maintainer-plugin</artifactId>
-    <version>2.13-SNAPSHOT</version>
+    <version>2.13-SR1</version>
     <packaging>jar</packaging>
 
     <properties>