build(deps): bump k8s.io/apimachinery from 0.19.4 to 0.20.0 (#4335)

Bumps [k8s.io/apimachinery](https://github.com/kubernetes/apimachinery) from 0.19.4 to 0.20.0.
- [Release notes](https://github.com/kubernetes/apimachinery/releases)
- [Commits](https://github.com/kubernetes/apimachinery/compare/v0.19.4...v0.20.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

go.mod

@@ -32,12 +32,12 @@ require (
 	go.etcd.io/etcd v0.5.0-alpha.5.0.20200306183522-221f0cc107cb
 	go.uber.org/zap v1.14.1 // indirect
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0
-	golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211
+	golang.org/x/sys v0.0.0-20201112073958-5cba982894dd
 	google.golang.org/api v0.29.0
 	google.golang.org/grpc v1.29.1
 	gopkg.in/DataDog/dd-trace-go.v1 v1.27.1
 	k8s.io/api v0.19.4
-	k8s.io/apimachinery v0.19.4
+	k8s.io/apimachinery v0.20.0
 	k8s.io/client-go v0.19.4
 	k8s.io/klog v1.0.0
 )