Upgrade to maven-enforcer-plugin 3.0.0-M1

Closes gh-10028

Author: snicoll

spring-boot-dependencies/pom.xml

@@ -202,7 +202,7 @@
 		<maven-dependency-plugin.version>2.10</maven-dependency-plugin.version>
 		<maven-deploy-plugin.version>2.8.2</maven-deploy-plugin.version>
 		<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
-		<maven-enforcer-plugin.version>1.4</maven-enforcer-plugin.version>
+		<maven-enforcer-plugin.version>3.0.0-M1</maven-enforcer-plugin.version>
 		<maven-failsafe-plugin.version>2.18.1</maven-failsafe-plugin.version>
 		<maven-install-plugin.version>2.5.2</maven-install-plugin.version>
 		<maven-invoker-plugin.version>3.0.0</maven-invoker-plugin.version>