Bump up controller-gen to 0.14.0

Fix a nil pointer issue after bumping up to go1.22
More details see golang/go#65637

Signed-off-by: Daniel Jiang <jiangd@vmware.com>

hack/build-image/Dockerfile

@@ -30,7 +30,7 @@ RUN wget --quiet https://github.com/kubernetes-sigs/kubebuilder/releases/downloa
     chmod +x /usr/local/kubebuilder/bin/kubebuilder
 
 # get controller-tools
-RUN go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.12.0
+RUN go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.14.0
 
 # get goimports (the revision is pinned so we don't indiscriminately update, but the particular commit
 # is not important)