Bump sigs.k8s.io/controller-runtime from 0.9.0-alpha.1 to 0.9.0 (#559)

Bumps [sigs.k8s.io/controller-runtime](https://github.com/kubernetes-sigs/controller-runtime) from 0.9.0-alpha.1 to 0.9.0.
- [Release notes](https://github.com/kubernetes-sigs/controller-runtime/releases)
- [Commits](kubernetes-sigs/controller-runtime@v0.9.0-alpha.1...v0.9.0)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/controller-runtime
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -19,10 +19,10 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
 	github.com/thoas/go-funk v0.8.0
-	gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 	k8s.io/api v0.21.1
 	k8s.io/apimachinery v0.21.1
 	k8s.io/client-go v0.21.1
-	sigs.k8s.io/controller-runtime v0.9.0-alpha.1
+	sigs.k8s.io/controller-runtime v0.9.0
 	sigs.k8s.io/yaml v1.2.0
 )