Update Gerrit API version to 2.8 in pom.xml

Change-Id: I6925ff686e5304427215480a264cd2cf21ec4c3b
diff --git a/pom.xml b/pom.xml
index a0a74dd..54fb1cc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <version>0.1</version>
   <properties>
     <Gerrit-ApiType>plugin</Gerrit-ApiType>
-    <Gerrit-ApiVersion>2.8-SNAPSHOT</Gerrit-ApiVersion>
+    <Gerrit-ApiVersion>2.8</Gerrit-ApiVersion>
   </properties>
 
   <build>