Update gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/pullrequest-init Docker tag to v0.44.4

This MR contains the following updates:

Package	Type	Update	Change
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/pullrequest-init	ironbank-docker	patch	v0.44.3 -> v0.44.4
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/pullrequest-init		patch	v0.44.3 -> v0.44.4
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/pullrequest-init	stage	patch	v0.44.3 -> v0.44.4

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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.