Bump scala-maven-plugin to latest version 4.8.1

Author: jpsacha

pom.xml

@@ -104,7 +104,7 @@
             <plugin>
                 <groupId>net.alchim31.maven</groupId>
                 <artifactId>scala-maven-plugin</artifactId>
-                <version>4.8.0</version>
+                <version>4.8.1</version>
 				<configuration>
 					<args>
 						<arg>-unchecked</arg>