chore(deps): bump sigs.k8s.io/kind from 0.20.0 to 0.21.0 (#956)

Bumps [sigs.k8s.io/kind](https://github.com/kubernetes-sigs/kind) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/kubernetes-sigs/kind/releases)
- [Commits](kubernetes-sigs/kind@v0.20.0...v0.21.0)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/kind
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -33,7 +33,7 @@ require (
 	k8s.io/utils v0.0.0-20240102154912-e7106e64919e
 	sigs.k8s.io/controller-runtime v0.17.0
 	sigs.k8s.io/gateway-api v1.0.0
-	sigs.k8s.io/kind v0.20.0
+	sigs.k8s.io/kind v0.21.0
 	sigs.k8s.io/kustomize/api v0.16.0
 	sigs.k8s.io/kustomize/kyaml v0.16.0
 	sigs.k8s.io/yaml v1.4.0

go.sum

@@ -561,8 +561,8 @@ sigs.k8s.io/gateway-api v1.0.0 h1:iPTStSv41+d9p0xFydll6d7f7MOBGuqXM6p2/zVYMAs=
 sigs.k8s.io/gateway-api v1.0.0/go.mod h1:4cUgr0Lnp5FZ0Cdq8FdRwCvpiWws7LVhLHGIudLlf4c=
 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 v0.20.0 h1:f0sc3v9mQbGnjBUaqSFST1dwIuiikKVGgoTwpoP33a8=
-sigs.k8s.io/kind v0.20.0/go.mod h1:aBlbxg08cauDgZ612shr017/rZwqd7AS563FvpWKPVs=
+sigs.k8s.io/kind v0.21.0 h1:QgkVrW35dMXNLkWlUkq2uFQNQbPLr0Z6RgRH5P/NzZU=
+sigs.k8s.io/kind v0.21.0/go.mod h1:aBlbxg08cauDgZ612shr017/rZwqd7AS563FvpWKPVs=
 sigs.k8s.io/kustomize/api v0.16.0 h1:/zAR4FOQDCkgSDmVzV2uiFbuy9bhu3jEzthrHCuvm1g=
 sigs.k8s.io/kustomize/api v0.16.0/go.mod h1:MnFZ7IP2YqVyVwMWoRxPtgl/5hpA+eCCrQR/866cm5c=
 sigs.k8s.io/kustomize/kyaml v0.16.0 h1:6J33uKSoATlKZH16unr2XOhDI+otoe2sR3M8PDzW3K0=