Update japicmp-maven-plugin to 0.14.4

Change-Id: I33ba5388153e6941713b9c9425cd917e9769a177
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

pom.xml

@@ -163,7 +163,7 @@
     <osgi-core-version>4.3.1</osgi-core-version>
     <servlet-api-version>3.1.0</servlet-api-version>
     <jetty-version>9.4.30.v20200611</jetty-version>
-    <japicmp-version>0.14.3</japicmp-version>
+    <japicmp-version>0.14.4</japicmp-version>
     <httpclient-version>4.5.10</httpclient-version>
     <httpcore-version>4.4.12</httpcore-version>
     <slf4j-version>1.7.30</slf4j-version>