Bump @hypothesis/frontend-testing from 1.3.1 to 1.4.0

Bumps [@hypothesis/frontend-testing](https://github.com/hypothesis/frontend-testing) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/hypothesis/frontend-testing/releases)
- [Commits](hypothesis/frontend-testing@v1.3.1...v1.4.0)

---
updated-dependencies:
- dependency-name: "@hypothesis/frontend-testing"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -2448,13 +2448,13 @@ __metadata:
   linkType: hard
 
 "@hypothesis/frontend-testing@npm:^1.3.1":
-  version: 1.3.1
-  resolution: "@hypothesis/frontend-testing@npm:1.3.1"
+  version: 1.4.0
+  resolution: "@hypothesis/frontend-testing@npm:1.4.0"
   dependencies:
     axe-core: ^4.8.2
     enzyme: ^3.11.0
     preact: ^10.18.1
-  checksum: 36f814e13d164cf55bf3f2ea21f0522fa1cbe5464a010a520de0506e9a8116a7d514807f38a257cade0ba442e0d0c00b8093658e17698b8c23a044a9f55c0be1
+  checksum: d7c3f5f66eedeae673a67f702e33a32d33ac21f308bf4d811496b02d78dfc62d626710b1b383cf7b6fe45ad90772538a50982d25cdb45f041c3716e92e139939
   languageName: node
   linkType: hard