Update karaf

Change-Id: Ib9de715796b60d3bffa1b7797b233f2b27912470
diff --git a/sdfabric/values.yaml b/sdfabric/values.yaml
index 174744b..39f71f5 100644
--- a/sdfabric/values.yaml
+++ b/sdfabric/values.yaml
@@ -54,7 +54,7 @@
     - org.onosproject.hostprobingprovider
 
   logging:
-    karafVersion: 4.2.9
+    karafVersion: 4.2.14
     config: |
       # Common pattern layout for appenders
       log4j2.stdout.pattern = %d{RFC3339} %-5level [%c{1}] %msg%n%throwable