🌱 Bump kubernetes-sigs/kubebuilder-release-tools

Bumps [kubernetes-sigs/kubebuilder-release-tools](https://github.com/kubernetes-sigs/kubebuilder-release-tools) from 0.4.0 to 0.4.3.
- [Release notes](https://github.com/kubernetes-sigs/kubebuilder-release-tools/releases)
- [Changelog](https://github.com/kubernetes-sigs/kubebuilder-release-tools/blob/master/RELEASE.md)
- [Commits](kubernetes-sigs/kubebuilder-release-tools@v0.4.0...v0.4.3)

---
updated-dependencies:
- dependency-name: kubernetes-sigs/kubebuilder-release-tools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/pr-title.yaml

@@ -8,6 +8,6 @@ jobs:
     name: Verify PR title
     steps:
     - name: Verify PR title
-      uses: kubernetes-sigs/kubebuilder-release-tools@v0.4.0
+      uses: kubernetes-sigs/kubebuilder-release-tools@v0.4.3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}