chore(deps): update dependency kubernetes-sigs/kustomize to v5.6.0 (#844

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Makefile

@@ -173,7 +173,7 @@ ENVTEST_ACTION ?= $(LOCALBIN)/setup-envtest
 HELMIFY ?= $(LOCALBIN)/helmify
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= 5.5.0
+KUSTOMIZE_VERSION ?= 5.6.0
 CONTROLLER_TOOLS_VERSION ?= 0.17.1
 GOLINT_VERSION ?= 1.63.4
 GINKGOLINTER_VERSION ?= 0.18.4