chore(deps): update dependency wagtail to v5.2.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
wagtail (source, changelog)	==5.2.3 -> ==5.2.5

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Release Notes

wagtail/wagtail (wagtail)

### [`v5.2.5`](https://togithub.com/wagtail/wagtail/releases/tag/v5.2.5): 5.2.5 [Compare Source](https://togithub.com/wagtail/wagtail/compare/v5.2.4...v5.2.5) - Fix: Respect `WAGTAIL_ALLOW_UNICODE_SLUGS` setting when auto-generating slugs (LB (Ben) Johnston) - Fix: Use correct URL when redirecting back to page search results after an AJAX search (Sage Abdullah) - Fix: Provide `convert_mariadb_uuids` management command to assist with upgrading to Django 5.0+ on MariaDB (Matt Westcott) ### [`v5.2.4`](https://togithub.com/wagtail/wagtail/releases/tag/v5.2.4): 5.2.4 [Compare Source](https://togithub.com/wagtail/wagtail/compare/v5.2.3...v5.2.4) - Fix: Prevent TitleFieldPanel from raising an error when the slug field is missing or read-only (Rohit Sharma) - Fix: Fix pagination links on model history and usage views (Matt Westcott) - Fix: Fix crash when accessing workflow reports with a deleted snippet (Sage Abdullah) - Fix: Prevent error on submitting an empty search in the admin under Elasticsearch (Maikel Martens)

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