update dependencies

Gopkg.toml

@@ -1,30 +1,3 @@
-# Gopkg.toml example
-#
-# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#   name = "github.com/x/y"
-#   version = "2.4.0"
-#
-# [prune]
-#   non-go = false
-#   go-tests = true
-#   unused-packages = true
-
-
 [[constraint]]
   name = "github.com/Azure/azure-pipeline-go"
   version = "0.1.8"
@@ -35,23 +8,31 @@
 
 [[constraint]]
   name = "github.com/aws/aws-sdk-go"
-  version = "1.15.74"
+  version = "1.16.7"
+
+[[constraint]]
+  name = "github.com/djherbis/buffer"
+  version = "1.0.0"
 
 [[constraint]]
   name = "github.com/spf13/cobra"
   version = "0.0.3"
 
+[[constraint]]
+  name = "gopkg.in/djherbis/nio.v2"
+  version = "2.0.3"
+
 [[constraint]]
   name = "k8s.io/api"
-  version = "kubernetes-1.12.2"
+  version = "kubernetes-1.13.0"
 
 [[constraint]]
+  branch = "release-1.13"
   name = "k8s.io/apimachinery"
-  version = "kubernetes-1.12.2"
 
 [[constraint]]
   name = "k8s.io/client-go"
-  version = "kubernetes-1.12.2"
+  version = "10.0.0"
 
 [prune]
   go-tests = true