Bump github.com/sirupsen/logrus from 1.4.0 to 1.4.1

Bumps [github.com/sirupsen/logrus](https://github.com/sirupsen/logrus) from 1.4.0 to 1.4.1.
- [Release notes](https://github.com/sirupsen/logrus/releases)
- [Changelog](https://github.com/sirupsen/logrus/blob/master/CHANGELOG.md)
- [Commits](sirupsen/logrus@v1.4.0...v1.4.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/mattn/go-isatty v0.0.4 // indirect
 	github.com/onsi/ginkgo v1.8.0
 	github.com/onsi/gomega v1.5.0
-	github.com/sirupsen/logrus v1.4.0
+	github.com/sirupsen/logrus v1.4.1
 	github.com/vbauerster/mpb v3.4.0+incompatible
 	golang.org/x/crypto v0.0.0-20181126093934-9eb0be3963ea // indirect
 	golang.org/x/net v0.0.0-20181114220301-adae6a3d119a // indirect

go.sum

@@ -42,6 +42,8 @@ github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.0 h1:yKenngtzGh+cUSSh6GWbxW2abRqhYUSR/t/6+2QqNvE=
 github.com/sirupsen/logrus v1.4.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
+github.com/sirupsen/logrus v1.4.1 h1:GL2rEmy6nsikmW0r8opw9JIRScdMF5hA8cOYLH7In1k=
+github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/vbauerster/mpb v3.3.2+incompatible h1:IAXNkJBpRdoXCjjReAELWPon+JDp+7wpDUKKh6MyJdQ=