Update dependency kubernetes-sigs/kubebuilder to v4.12.0

Author: renovate[bot]

aqua.yaml

@@ -11,7 +11,7 @@ registries:
   ref: v4.471.0 # renovate: depName=aquaproj/aqua-registry
 packages:
 - name: kubernetes/kubectl@v1.35.1
-- name: kubernetes-sigs/kubebuilder@v4.10.1
+- name: kubernetes-sigs/kubebuilder@v4.12.0
 - name: kubernetes-sigs/kind@v0.31.0
 - name: tilt-dev/tilt@v0.36.0
 - name: tilt-dev/ctlptl@v0.8.44