Update logging library version used in sample app

Author: altenhof

sample/pom.xml

@@ -18,7 +18,7 @@
         <slf4j.version>1.7.12</slf4j.version>
         <jersey.version>2.22.2</jersey.version>
         <javax.ws.version>2.0.1</javax.ws.version>
-        <cf-logging.version>2.2.3</cf-logging.version>
+        <cf-logging.version>3.0.0</cf-logging.version>
     </properties>
     <dependencies>
         <dependency>