Bump karaf from 3.0.5 to 3.0.8

Change-Id: Ic5bc130f5110f4ff9da6ec22d066a5dd3069288d
diff --git a/tools/package/karaf-assembly/pom.xml b/tools/package/karaf-assembly/pom.xml
index b79d268..876d09e 100644
--- a/tools/package/karaf-assembly/pom.xml
+++ b/tools/package/karaf-assembly/pom.xml
@@ -65,7 +65,7 @@
             <plugin>
                 <groupId>org.apache.karaf.tooling</groupId>
                 <artifactId>karaf-maven-plugin</artifactId>
-                <version>3.0.5</version>
+                <version>3.0.8</version>
 
                 <executions>
                     <execution>