Bump sigs.k8s.io/controller-runtime from 0.5.14 to 0.8.3

Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.5.14 to 0.8.3.
- [Release notes](https://github.com/kubernetes-sigs/controller-runtime/releases)
- [Commits](kubernetes-sigs/controller-runtime@v0.5.14...v0.8.3)

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

go.mod

@@ -5,18 +5,18 @@ go 1.13
 require (
 	github.com/Azure/go-autorest/autorest/to v0.4.0
 	github.com/giantswarm/apiextensions v0.4.20
-	github.com/go-logr/logr v0.1.0
+	github.com/go-logr/logr v0.3.0
 	github.com/onsi/ginkgo v1.14.2
 	github.com/onsi/gomega v1.10.3
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.6.1
-	k8s.io/api v0.17.14
-	k8s.io/apimachinery v0.17.14
-	k8s.io/apiserver v0.17.14
-	k8s.io/client-go v0.17.14
+	k8s.io/api v0.20.2
+	k8s.io/apimachinery v0.20.2
+	k8s.io/apiserver v0.20.1
+	k8s.io/client-go v0.20.2
 	sigs.k8s.io/cluster-api v0.3.14
 	sigs.k8s.io/cluster-api-provider-azure v0.4.12
-	sigs.k8s.io/controller-runtime v0.5.14
+	sigs.k8s.io/controller-runtime v0.8.3
 )
 
 // Fix CVEs attached to controller-runtime v0.5.14