Limit the files that are shipped in the gem artifact
Limit the files that are shipped in the gem artifact

There's no need to ship the test deps in the release artifact. This slims the install size down.

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>

WinRb/WinRM,WinRb/WinRM