build(deps): update kubernetes-sigs/kustomize to v5.6.0

This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [kubernetes-sigs/kustomize](https://github.com/kubernetes-sigs/kustomize) | minor | `v5.5.0` -> `v5.6.0` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

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### Release Notes

<details>
<summary>kubernetes-sigs/kustomize (kubernetes-sigs/kustomize)</summary>

### [`v5.6.0`](https://github.com/kubernetes-sigs/kustomize/releases/tag/kustomize/v5.6.0)

[Compare Source](kubernetes-sigs/kustomize@kustomize/v5.5.0...kustomize/v5.6.0)

#### Announce

This release introduces a unified internal package version (`v0.19.0`) across the entire kustomize repository.
ref. kubernetes-sigs/kustomize#5800

#### Chore

[#&#8203;5809](kubernetes-sigs/kustomize#5809): fix: "edit add labels" make labels handle -f flag same as commonLabels

#### Dependencies

[#&#8203;5825](kubernetes-sigs/kustomize#5825): Update to latest kube-opeapi to drop govalidator dependency
[#&#8203;5830](kubernetes-sigs/kustomize#5830): downgrade go-difflib and go-spew to tagged releases
[#&#8203;5837](kubernetes-sigs/kustomize#5837): Update kyaml to v0.19.0
[#&#8203;5839](kubernetes-sigs/kustomize#5839): Update cmd/config to v0.19.0
[#&#8203;5840](kubernetes-sigs/kustomize#5840): Update api to v0.19.0

</details>

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chezmoi/dot_config/aquaproj-aqua/aqua.yaml

@@ -187,7 +187,7 @@ packages:
 - name: bitnami-labs/[email protected]
   description: A Kubernetes controller and tool for one-way encrypted Secrets
   link: https://github.com/bitnami-labs/sealed-secrets
-- name: kubernetes-sigs/kustomize@kustomize/v5.5.0
+- name: kubernetes-sigs/kustomize@kustomize/v5.6.0
   description: Customization of kubernetes YAML configurations
   link: https://github.com/kubernetes-sigs/kustomize
 - name: yorukot/[email protected]