Bump chef-vault to 4.0.1
Bump chef-vault to 4.0.1

This pull request was triggered automatically via Expeditor when chef-vault 4.0.1 was promoted to Rubygems.

This change falls under the obvious fix policy so no Developer Certificate of Origin (DCO) sign-off is required.

MsysTechnologiesllc/chef,higanworks/chef,chef/chef,nvwls/chef,mattray/chef,mwrock/chef,nvwls/chef,jaymzh/chef,MsysTechnologiesllc/chef,chef/chef,gene1wood/chef,higanworks/chef,tas50/chef-1,nvwls/chef,gene1wood/chef,mattray/chef,chef/chef,nvwls/chef,mattray/chef,higanworks/chef,mwrock/chef,jaymzh/chef,tas50/chef-1,mattray/chef,gene1wood/chef,chef/chef,MsysTechnologiesllc/chef,jaymzh/chef,tas50/chef-1,tas50/chef-1,mwrock/chef,nvwls/chef,MsysTechnologiesllc/chef,mattray/chef,higanworks/chef,mwrock/chef,jaymzh/chef,gene1wood/chef,nvwls/chef,higanworks/chef