Log Message:
ruby-nokogori: update to 1.15.5

Upstream changes:
 https://github.com/sparklemotion/nokogiri/releases/tag/v1.15.5

1.15.5 / 2023-11-17

Dependencies

* [CRuby] Vendored libxml2 is updated to v2.11.6 from v2.11.5. For details
  please see https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.6
* [CRuby] Vendored libxslt is updated to v1.1.39 from v1.1.38. For details
  please see https://gitlab.gnome.org/GNOME/libxslt/-/releases/v1.1.39