[Build] fix binary tarball name

Change name of binary tarball to adhere to
apche-crail-X.Y-incubating-bin

https://jira.apache.org/jira/projects/CRAIL/issues/CRAIL-56

Signed-off-by: Jonas Pfefferle <pepperjo@apache.org>
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 4ec349d..4844021 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -124,7 +124,7 @@
               <goal>single</goal>
             </goals>
             <configuration>
-              <finalName>crail-${project.version}</finalName>
+              <finalName>apache-crail-${project.version}</finalName>
               <descriptors>
                 <descriptor>src/main/assembly/assembly.xml</descriptor>
               </descriptors>