bump to golangci-lint 1.19.1

Kubernetes now requires golang 1.13.4. When using golang 1.13.4 to build critest, we run into golangci-lint#659. Fix this by bumping to version 1.19.1, and running `make vendor`

Signed-off-by: Peter Hunt <[email protected]>

go.mod

@@ -9,16 +9,16 @@ require (
 	github.com/ghodss/yaml v1.0.0
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
 	github.com/golang/protobuf v1.3.2
-	github.com/golangci/golangci-lint v1.17.1
+	github.com/golangci/golangci-lint v1.19.1
 	github.com/onsi/ginkgo v1.10.1
 	github.com/onsi/gomega v1.7.0
 	github.com/opencontainers/go-digest v1.0.0-rc1
 	github.com/opencontainers/selinux v1.2.2
 	github.com/pborman/uuid v1.2.0
 	github.com/sirupsen/logrus v1.4.2
 	github.com/urfave/cli v1.22.1
-	golang.org/x/net v0.0.0-20190812203447-cdfb69ac37fc
-	golang.org/x/sys v0.0.0-20190730183949-1393eb018365
+	golang.org/x/net v0.0.0-20190909003024-a7b16738d86b
+	golang.org/x/sys v0.0.0-20190911201528-7ad0cfa0b7b5
 	google.golang.org/grpc v1.23.0
 	gopkg.in/yaml.v2 v2.2.2
 	k8s.io/api v0.0.0