build(deps): bump sigs.k8s.io/aws-iam-authenticator from 0.6.7 to 0.6.9

Bumps [sigs.k8s.io/aws-iam-authenticator](https://github.com/kubernetes-sigs/aws-iam-authenticator) from 0.6.7 to 0.6.9.
- [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@v0.6.7...v0.6.9)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -37,7 +37,7 @@ require (
 	k8s.io/component-base v0.26.1
 	k8s.io/klog/v2 v2.90.1
 	k8s.io/utils v0.0.0-20221128185143-99ec85e7a448
-	sigs.k8s.io/aws-iam-authenticator v0.6.7
+	sigs.k8s.io/aws-iam-authenticator v0.6.9
 	sigs.k8s.io/cluster-api v1.4.1
 	sigs.k8s.io/cluster-api/test v1.4.1
 	sigs.k8s.io/controller-runtime v0.14.5