fix(deps): update dependency beautifulsoup4 to v4.14.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
beautifulsoup4 (changelog)	==4.8.2 → ==4.14.3

---

Configuration

📅 Schedule: Branch creation - "every weekend" in timezone US/Eastern, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, 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.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: uv.lock

Command failed: uv lock --upgrade-package beautifulsoup4
Using CPython 3.13.12
  × No solution found when resolving dependencies:
  ╰─▶ Because wagtail==5.2.8 depends on beautifulsoup4>=4.8,<4.12 and your
      project depends on beautifulsoup4==4.14.3, we can conclude that your
      project and wagtail==5.2.8 are incompatible.
      And because your project depends on wagtail==5.2.8, we can conclude that
      your project's requirements are unsatisfiable.

[arslanashraf7]

This is blocked on Wagtail upgrade as per #3510 (comment).