build: update maven-enforcer-plugin to 3.0.0-M3

Changelogs:
- https://mail-archives.apache.org/mod_mbox/maven-announce/201707.mbox/%3Cop.y37atexzkdkhrr@desktop-2khsk44%3E
- https://mail-archives.apache.org/mod_mbox/maven-announce/201806.mbox/%3Cop.zko9b2vhkdkhrr%40desktop-2khsk44.dynamic.ziggo.nl%3E
- https://mail-archives.apache.org/mod_mbox/maven-announce/201911.mbox/%3Ca27d460808786a7a4972d2a47b945552%40mail.eclipso.de%3E

Fix #1180

Author: php-coder

pom.xml

@@ -526,7 +526,7 @@
 		<disableXmlReport>true</disableXmlReport>
 
 		<dockerfile.plugin.version>1.4.6</dockerfile.plugin.version>
-		<enforcer.plugin.version>1.4.1</enforcer.plugin.version>
+		<enforcer.plugin.version>3.0.0-M3</enforcer.plugin.version>
 		<error-prone-javac.version>9+181-r4173-1</error-prone-javac.version>
 		<error-prone.version>2.3.4</error-prone.version>
 		<frontend.plugin.version>1.7.6</frontend.plugin.version>