chore: bump the kustomize group with 2 updates (#2054)

Bumps the kustomize group with 2 updates: [sigs.k8s.io/kustomize/api](https://github.com/kubernetes-sigs/kustomize) and [sigs.k8s.io/kustomize/kyaml](https://github.com/kubernetes-sigs/kustomize).


Updates `sigs.k8s.io/kustomize/api` from 0.21.0 to 0.21.1
- [Release notes](https://github.com/kubernetes-sigs/kustomize/releases)
- [Commits](kubernetes-sigs/kustomize@api/v0.21.0...api/v0.21.1)

Updates `sigs.k8s.io/kustomize/kyaml` from 0.21.0 to 0.21.1
- [Release notes](https://github.com/kubernetes-sigs/kustomize/releases)
- [Commits](kubernetes-sigs/kustomize@api/v0.21.0...api/v0.21.1)

---
updated-dependencies:
- dependency-name: sigs.k8s.io/kustomize/api
  dependency-version: 0.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kustomize
- dependency-name: sigs.k8s.io/kustomize/kyaml
  dependency-version: 0.21.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: kustomize
...

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

Author: dependabot[bot]

go.mod

@@ -62,8 +62,8 @@ require (
 	sigs.k8s.io/controller-runtime/tools/setup-envtest v0.0.0-20231023142458-b9f29826ee83
 	sigs.k8s.io/controller-tools v0.18.0
 	sigs.k8s.io/kind v0.30.0
-	sigs.k8s.io/kustomize/api v0.21.0
-	sigs.k8s.io/kustomize/kyaml v0.21.0
+	sigs.k8s.io/kustomize/api v0.21.1
+	sigs.k8s.io/kustomize/kyaml v0.21.1
 	sigs.k8s.io/structured-merge-diff/v6 v6.3.2-0.20260122202528-d9cc6641c482
 	sigs.k8s.io/yaml v1.6.0
 )

go.sum

@@ -526,10 +526,10 @@ sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 h1:IpInykpT6ceI+QxKBbEflcR5E
 sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730/go.mod h1:mdzfpAEoE6DHQEN0uh9ZbOCuHbLK5wOm7dK4ctXE9Tg=
 sigs.k8s.io/kind v0.30.0 h1:2Xi1KFEfSMm0XDcvKnUt15ZfgRPCT0OnCBbpgh8DztY=
 sigs.k8s.io/kind v0.30.0/go.mod h1:FSqriGaoTPruiXWfRnUXNykF8r2t+fHtK0P0m1AbGF8=
-sigs.k8s.io/kustomize/api v0.21.0 h1:I7nry5p8iDJbuRdYS7ez8MUvw7XVNPcIP5GkzzuXIIQ=
-sigs.k8s.io/kustomize/api v0.21.0/go.mod h1:XGVQuR5n2pXKWbzXHweZU683pALGw/AMVO4zU4iS8SE=
-sigs.k8s.io/kustomize/kyaml v0.21.0 h1:7mQAf3dUwf0wBerWJd8rXhVcnkk5Tvn/q91cGkaP6HQ=
-sigs.k8s.io/kustomize/kyaml v0.21.0/go.mod h1:hmxADesM3yUN2vbA5z1/YTBnzLJ1dajdqpQonwBL1FQ=
+sigs.k8s.io/kustomize/api v0.21.1 h1:lzqbzvz2CSvsjIUZUBNFKtIMsEw7hVLJp0JeSIVmuJs=
+sigs.k8s.io/kustomize/api v0.21.1/go.mod h1:f3wkKByTrgpgltLgySCntrYoq5d3q7aaxveSagwTlwI=
+sigs.k8s.io/kustomize/kyaml v0.21.1 h1:IVlbmhC076nf6foyL6Taw4BkrLuEsXUXNpsE+ScX7fI=
+sigs.k8s.io/kustomize/kyaml v0.21.1/go.mod h1:hmxADesM3yUN2vbA5z1/YTBnzLJ1dajdqpQonwBL1FQ=
 sigs.k8s.io/randfill v1.0.0 h1:JfjMILfT8A6RbawdsK2JXGBR5AQVfd+9TbzrlneTyrU=
 sigs.k8s.io/randfill v1.0.0/go.mod h1:XeLlZ/jmk4i1HRopwe7/aU3H5n1zNUcX6TM94b3QxOY=
 sigs.k8s.io/structured-merge-diff/v6 v6.3.2-0.20260122202528-d9cc6641c482 h1:2WOzJpHUBVrrkDjU4KBT8n5LDcj824eX0I5UKcgeRUs=

vendor/modules.txt

@@ -1735,7 +1735,7 @@ sigs.k8s.io/kind/pkg/internal/runtime
 sigs.k8s.io/kind/pkg/internal/sets
 sigs.k8s.io/kind/pkg/internal/version
 sigs.k8s.io/kind/pkg/log
-# sigs.k8s.io/kustomize/api v0.21.0
+# sigs.k8s.io/kustomize/api v0.21.1
 ## explicit; go 1.24.0
 sigs.k8s.io/kustomize/api/filters/annotations
 sigs.k8s.io/kustomize/api/filters/fieldspec
@@ -1781,7 +1781,7 @@ sigs.k8s.io/kustomize/api/provider
 sigs.k8s.io/kustomize/api/resmap
 sigs.k8s.io/kustomize/api/resource
 sigs.k8s.io/kustomize/api/types
-# sigs.k8s.io/kustomize/kyaml v0.21.0
+# sigs.k8s.io/kustomize/kyaml v0.21.1
 ## explicit; go 1.24.0
 sigs.k8s.io/kustomize/kyaml/comments
 sigs.k8s.io/kustomize/kyaml/copyutil