Add specific plexus-utils dependency

Add specific plexus-utils dependency in an attempt to fix a
NoSuchMethodError that occurs with some builds.

spring-bootstrap-maven-plugin/pom.xml

@@ -126,6 +126,11 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
+		<dependency>
+			<groupId>org.codehaus.plexus</groupId>
+			<artifactId>plexus-utils</artifactId>
+			<version>3.0.10</version>
+		</dependency>
 		<dependency>
 			<groupId>${project.groupId}</groupId>
 			<artifactId>spring-bootstrap-launcher</artifactId>