Update version for release

Signed-off-by: Gary O'Neall <gary@sourceauditor.com>

Author: goneall

pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>org.spdx</groupId>
   <artifactId>spdx-rdf-store</artifactId>
-  <version>1.1.6-SNAPSHOT</version>
+  <version>1.1.6</version>
   <packaging>jar</packaging>
 
   <name>spdx-rdf-store</name>