[MSHADE-479] Make the mojo much less noisy

[elharo]

This removes multiple screens of log cruft from every build that uses the shade plugin.

[elharo]

Flakes:

[INFO] ------------------------------------------------------------------------
Error: Failed to execute goal on project shadeMT4: Could not resolve dependencies for project org.apache.maven.its.shade.parallel:shadeMT4:jar:1.0.0-SNAPSHOT: Could not transfer artifact org.springframework:spring-aop:jar:5.3.31 from/to mrm-maven-plugin (http://localhost:50540): D:\a\maven-shade-plugin\maven-shade-plugin\target\local-repo\org\springframework\spring-aop\5.3.31\spring-aop-5.3.31.jar.part.lock (Access is denied) -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal on project shadeMT4: Could not resolve dependencies for project org.apache.maven.its.shade.parallel:shadeMT4:jar:1.0.0-SNAPSHOT: Could not transfer artifact org.springframework:spring-aop:jar:5.3.31 from/to mrm-maven-plugin (http://localhost:50540): D:\a\maven-shade-plugin\maven-shade-plugin\target\local-repo\org\springframework\spring-aop\5.3.31\spring-aop-5.3.31.jar.part.lock (Access is denied)
at org.apache.maven.lifecyc