M2E Support: Emit file specific errors during incremental build

[kwin]

The m2e support added in #1413 currently only supports the "apply" goal properly but not the "check" goal as the error marker API from https://github.com/codehaus-plexus/plexus-build-api/blob/d7055dc45530a679b8f1ff62c0aa5562101d40a7/src/main/java/org/codehaus/plexus/build/BuildContext.java#L216 is not used, but rather a generic exception is being emitted in

spotless/plugin-maven/src/main/java/com/diffplug/spotless/maven/SpotlessCheckMojo.java

Line 76 in 3fce314

throw new MojoExecutionException(DiffMessageFormatter.builder()

which lacks that crucial file context information.