Upgrade to Maven Maven Plugin 3.6.0

Closes gh-18460

Author: snicoll

spring-boot-project/spring-boot-parent/pom.xml

@@ -313,7 +313,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-plugin-plugin</artifactId>
-					<version>3.5</version>
+					<version>3.6.0</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>