Bump wagtail from 7.3.1 to 7.4.1

Bumps [wagtail](https://github.com/wagtail/wagtail) from 7.3.1 to 7.4.1.
- [Release notes](https://github.com/wagtail/wagtail/releases)
- [Changelog](https://github.com/wagtail/wagtail/blob/main/CHANGELOG.txt)
- [Commits](wagtail/wagtail@v7.3.1...v7.4.1)

---
updated-dependencies:
- dependency-name: wagtail
  dependency-version: 7.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]