Bump sigs.k8s.io/aws-iam-authenticator from 0.6.20 to 0.6.21

Bumps [sigs.k8s.io/aws-iam-authenticator](https://github.com/kubernetes-sigs/aws-iam-authenticator) from 0.6.20 to 0.6.21.
- [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@v0.6.20...v0.6.21)

---
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]>

go.mod

@@ -1,12 +1,9 @@
 module github.com/prometheus/test-infra
 
 go 1.22.2
-
-toolchain go1.22.3
-
 require (
 	cloud.google.com/go/container v1.37.0
-	github.com/aws/aws-sdk-go v1.54.2
+	github.com/aws/aws-sdk-go v1.54.6
 	github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399
 	github.com/go-git/go-git/v5 v5.12.0
 	github.com/google/go-github/v29 v29.0.3
@@ -26,7 +23,7 @@ require (
 	k8s.io/apimachinery v0.30.2
 	k8s.io/client-go v0.30.2
 	k8s.io/cloud-provider-gcp v0.0.0-20231031161848-992c1c33f1be
-	sigs.k8s.io/aws-iam-authenticator v0.6.20
+	sigs.k8s.io/aws-iam-authenticator v0.6.21
 	sigs.k8s.io/kind v0.23.0
 )
 

go.sum

@@ -75,8 +75,8 @@ github.com/armon/go-metrics v0.4.1/go.mod h1:E6amYzXo6aW1tqzoZGT755KkbgrJsSdpwZ+
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/aws/aws-sdk-go v1.38.35/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
-github.com/aws/aws-sdk-go v1.54.2 h1:Wo6AVWcleNHrYa48YzfYz60hzxGRqsJrK5s/qePe+3I=
-github.com/aws/aws-sdk-go v1.54.2/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
+github.com/aws/aws-sdk-go v1.54.6 h1:HEYUib3yTt8E6vxjMWM3yAq5b+qjj/6aKA62mkgux9g=
+github.com/aws/aws-sdk-go v1.54.6/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
 github.com/benbjohnson/clock v1.3.5 h1:VvXlSJBzZpA/zum6Sj74hxwYI2DIxRWuNIoXAzHZz5o=
 github.com/benbjohnson/clock v1.3.5/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -842,8 +842,8 @@ k8s.io/utils v0.0.0-20240102154912-e7106e64919e/go.mod h1:OLgZIPagt7ERELqWJFomSt
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/aws-iam-authenticator v0.6.20 h1:heAGFNUkYJafT165FOlTWQT1S6UULTHa61w5mHJuSXk=
-sigs.k8s.io/aws-iam-authenticator v0.6.20/go.mod h1:wOXhEO/yKuFQUNIL9uq43vA+/E+k5kb/w1KoZbvEvSk=
+sigs.k8s.io/aws-iam-authenticator v0.6.21 h1:RcZj3vTR8otyZWpk0iTeR+/zVz6uB1FJpPjbnveHlUo=
+sigs.k8s.io/aws-iam-authenticator v0.6.21/go.mod h1:wbtf9grTV8xmT9AnqiHo7KtDvoW464vcY5eVFJm/VgA=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0=
 sigs.k8s.io/kind v0.23.0 h1:8fyDGWbWTeCcCTwA04v4Nfr45KKxbSPH1WO9K+jVrBg=