Bump wagtail-ab-testing from 0.9 to 0.10

Bumps [wagtail-ab-testing](https://github.com/wagtail-nest/wagtail-ab-testing) from 0.9 to 0.10.
- [Release notes](https://github.com/wagtail-nest/wagtail-ab-testing/releases)
- [Changelog](https://github.com/wagtail-nest/wagtail-ab-testing/blob/main/CHANGELOG.md)
- [Commits](wagtail-nest/wagtail-ab-testing@v0.9...v0.10)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -264,7 +264,7 @@ wagtail==5.2.3
     #   wagtail-localize-git
     #   wagtail-metadata
     #   wagtailmedia
-wagtail-ab-testing==0.9
+wagtail-ab-testing==0.10
     # via -r requirements.in
 wagtail-color-panel==1.5.0
     # via -r requirements.in