⚠ Update Kubernetes 1.21.0 and Go 1.16

Signed-off-by: Vince Prignano <[email protected]>

Author: vincepri

.travis.yml

@@ -5,7 +5,7 @@ os:
   - osx
 
 go:
-- "1.13"
+- "1.16"
 
 git:
   depth: 3

go.mod

@@ -1,21 +1,20 @@
 module sigs.k8s.io/controller-tools
 
-go 1.15
+go 1.16
 
 require (
-	github.com/fatih/color v1.9.0
+	github.com/fatih/color v1.10.0
 	github.com/gobuffalo/flect v0.2.2
-	github.com/google/go-cmp v0.5.2
-	github.com/mattn/go-colorable v0.1.8 // indirect
-	github.com/onsi/ginkgo v1.14.1
-	github.com/onsi/gomega v1.10.2
-	github.com/spf13/cobra v1.1.1
+	github.com/google/go-cmp v0.5.5
+	github.com/onsi/ginkgo v1.16.1
+	github.com/onsi/gomega v1.11.0
+	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
-	golang.org/x/tools v0.0.0-20200616133436-c1934b75d054
-	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
-	k8s.io/api v0.20.2
-	k8s.io/apiextensions-apiserver v0.20.2
-	k8s.io/apimachinery v0.20.2
+	golang.org/x/tools v0.1.1-0.20210427153610-6397a11608ad
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+	k8s.io/api v0.21.0
+	k8s.io/apiextensions-apiserver v0.21.0
+	k8s.io/apimachinery v0.21.0
 	sigs.k8s.io/yaml v1.2.0
 )