chore(deps): update dependency wagtail to v5.2.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
wagtail (source, changelog)	==5.2.6 -> ==5.2.7

---

Release Notes

wagtail/wagtail (wagtail)

v5.2.7: 5.2.7

Compare Source

• Fix: Prevent multiple URLs from being combined into one when pasting links into a rich text input (Thibaud Colas)
• Fix: Fix error on workflow settings view with multiple snippet types assigned to the same workflow on Postgres (Sage Abdullah)

---

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 PR becomes conflicted, or you tick the rebase/retry checkbox.

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

---

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

---

This PR was generated by Mend Renovate. View the repository job log.