chore(deps): update module k8s.io/kube-openapi to v0.0.0-20260624041617-8f3fa4921821

Signed-off-by: Renovate Bot <renovate-bot@users.noreply.github.com>

Author: renovate[bot]

modules/tools/00_mod.mk

@@ -217,7 +217,7 @@ tools += defaulter-gen=$(K8S_CODEGEN_VERSION)
 tools += conversion-gen=$(K8S_CODEGEN_VERSION)
 # https://github.com/kubernetes/kube-openapi
 # renovate: datasource=go packageName=k8s.io/kube-openapi
-tools += openapi-gen=v0.0.0-20260623045532-0b43c5e46c6b
+tools += openapi-gen=v0.0.0-20260624041617-8f3fa4921821
 
 # https://raw.githubusercontent.com/kubernetes-sigs/controller-tools/master/envtest-releases.yaml
 # FIXME: Find a way to configure Renovate to suggest upgrades