Bump sigs.k8s.io/aws-iam-authenticator from 0.5.3 to 0.5.9

Bumps [sigs.k8s.io/aws-iam-authenticator](https://github.com/kubernetes-sigs/aws-iam-authenticator) from 0.5.3 to 0.5.9.
- [Release notes](https://github.com/kubernetes-sigs/aws-iam-authenticator/releases)
- [Changelog](https://github.com/kubernetes-sigs/aws-iam-authenticator/blob/master/CHANGELOG.md)
- [Commits](kubernetes-sigs/aws-iam-authenticator@v0.5.3...v0.5.9)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/aws-iam-authenticator
  dependency-type: direct:production
...

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

go.mod

@@ -43,7 +43,7 @@ require (
 	k8s.io/apimachinery v0.22.11
 	k8s.io/client-go v0.22.11
 	k8s.io/metrics v0.22.11
-	sigs.k8s.io/aws-iam-authenticator v0.5.3
+	sigs.k8s.io/aws-iam-authenticator v0.5.9
 	sigs.k8s.io/controller-runtime v0.10.3
 )