Update gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/webhook Docker tag to v0.23.0

This MR contains the following updates:

Package	Type	Update	Change
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/webhook	ironbank-docker	minor	v0.22.0 -> v0.23.0
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/webhook		minor	v0.22.0 -> v0.23.0
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/webhook	stage	minor	v0.22.0 -> v0.23.0

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled due to failing status checks.

♻️ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.