Update module sigs.k8s.io/controller-runtime to v0.20.4

[gardener-ci-robot]

This PR contains the following updates:

Package	Type	Update	Change
sigs.k8s.io/controller-runtime	require	patch	v0.20.3 -> v0.20.4

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Release Notes

kubernetes-sigs/controller-runtime (sigs.k8s.io/controller-runtime)

v0.20.4

Compare Source

What's Changed

• [release-0.20] 🐛 Restmapper: Respect preferred version by @​k8s-infra-cherrypick-robot in https://github.com/kubernetes-sigs/controller-runtime/pull/3159
• [release-0.20] 🌱 Mention the SkipNameValidation option in the name validation error by @​k8s-infra-cherrypick-robot in https://github.com/kubernetes-sigs/controller-runtime/pull/3172
• [release-0.20] ✨ Controller: Retain the priority by @​k8s-infra-cherrypick-robot in https://github.com/kubernetes-sigs/controller-runtime/pull/3173
• [release-0.20] ✨Add RELEASE_TAG to tools/setup-envtest to show binary version with setup-envtest version by @​k8s-infra-cherrypick-robot in https://github.com/kubernetes-sigs/controller-runtime/pull/3175
• [release-0.20] 🌱 Handlers: Default to LowPriorityWhenUnchanged without a wrapper by @​alvaroaleman in https://github.com/kubernetes-sigs/controller-runtime/pull/3179

Full Changelog: kubernetes-sigs/controller-runtime@v0.20.3...v0.20.4

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This PR has been generated by Renovate Bot.

[gardener-robot]

@gardener-ci-robot Thank you for your contribution.

[AleksandarSavchev]

/lgtm