Bump wagtail from 7.2.3 to 7.3.2

Bumps [wagtail](https://github.com/wagtail/wagtail) from 7.2.3 to 7.3.2.
- [Release notes](https://github.com/wagtail/wagtail/releases)
- [Changelog](https://github.com/wagtail/wagtail/blob/main/CHANGELOG.txt)
- [Commits](wagtail/wagtail@v7.2.3...v7.3.2)

---
updated-dependencies:
- dependency-name: wagtail
  dependency-version: 7.3.2
  dependency-type: direct:development
...

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Author: dependabot[bot]