Bump kustomize versions

- to what is used in kubectl 1.34.x and 1.35.x

Signed-off-by: Felix Riegger <felix.riegger@sap.com>

Author: friegger

.github/workflows/kustomize-validation.yml

@@ -12,6 +12,6 @@ jobs:
         uses: actions/checkout@v7
       - uses: imranismail/setup-kustomize@v3
         with:
-          kustomize-version: '5.0.0'
+          kustomize-version: '5.7.1'
       - run: |
           ./hack/validate-kustomize.sh

Makefile

@@ -355,7 +355,7 @@ PROTOC_GEN_GO ?= $(LOCALBIN)/protoc-gen-go
 PROTOC_GEN_GO_GRPC ?= $(LOCALBIN)/protoc-gen-go-grpc
 
 ## Tool Versions
-KUSTOMIZE_VERSION ?= v5.1.1
+KUSTOMIZE_VERSION ?= v5.7.1
 CONTROLLER_TOOLS_VERSION ?= v0.20.0
 GEN_CRD_API_REFERENCE_DOCS_VERSION ?= v0.3.0
 ADDLICENSE_VERSION ?= v1.1.1