Update Gerrit-ApiVersion to 2.10-SNAPSHOT

Change-Id: I3b4ecc112867014c5e1bab3559540db403f06b50
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index 00b97c8..f48abf5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>
-    <Gerrit-ApiVersion>2.9.1</Gerrit-ApiVersion>
+    <Gerrit-ApiVersion>2.10-SNAPSHOT</Gerrit-ApiVersion>
   </properties>
 
   <build>