Update dependency nokogiri to v1.15.4 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
nokogiri (source, changelog)	patch	'1.15.3' -> '1.15.4'

---

Release Notes

sparklemotion/nokogiri (nokogiri)

### [`v1.15.4`](https://togithub.com/sparklemotion/nokogiri/blob/HEAD/CHANGELOG.md#1154--2023-08-11) [Compare Source](https://togithub.com/sparklemotion/nokogiri/compare/v1.15.3...v1.15.4) ##### Dependencies - \[CRuby] Vendored libxml2 is updated to v2.11.5 from v2.11.4. For details please see https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.5 ##### Fixed - Fixed a typo in a HTML5 parser error message. \[[#​2927](https://togithub.com/sparklemotion/nokogiri/issues/2927)] (Thanks, [@​anishathalye](https://togithub.com/anishathalye)!) - \[CRuby] `ObjectSpace.memsize_of` is now safe to call on `Document`s with complex DTDs. In previous versions, this debugging method could result in a segfault. \[[#​2923](https://togithub.com/sparklemotion/nokogiri/issues/2923), [#​2924](https://togithub.com/sparklemotion/nokogiri/issues/2924)]

---

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 has been generated by Mend Renovate. View repository job log here.