Update dependency mikefarah/yq to v4.28.1

This MR contains the following updates:

Package	Type	Update	Change
mikefarah/yq	ironbank-github	minor	v4.27.5 -> v4.28.1

---

Release Notes

mikefarah/yq

v4.28.1

Compare Source

• Added setpath and delpaths operators, like jq (#​1374)
  • Added is_key operator, to check if a match was a key when recursing
  • Added validation when attempting to add sequences to maps (#​1341)

---

Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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

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

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.