build(pom.xml): update wiremock-maven-plugin to 4.4.1

This also updates WireMock to 2.23.2

Changelogs:
- https://github.com/automatictester/wiremock-maven-plugin/releases
- https://groups.google.com/forum/#!topic/wiremock-user/1-sWnxx4ypw
- https://groups.google.com/forum/#!topic/wiremock-user/mtiGPZUdEOo
- https://groups.google.com/forum/#!topic/wiremock-user/d2ccElkl474
- https://groups.google.com/forum/#!topic/wiremock-user/G6EUq_-V6_Y
- https://groups.google.com/forum/#!topic/wiremock-user/vyis9VHf6hk

No functional changes.

Author: php-coder

pom.xml

@@ -588,7 +588,7 @@
 
 		<togglz.version>2.6.1.Final</togglz.version>
 		<war.plugin.version>3.2.2</war.plugin.version>
-		<wiremock.plugin.version>2.14.0</wiremock.plugin.version>
+		<wiremock.plugin.version>4.4.1</wiremock.plugin.version>
 	</properties>
 
 	<build>