Bump django-test-migrations from 1.3.0 to 1.4.0

Bumps [django-test-migrations](https://github.com/wemake-services/django-test-migrations) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/wemake-services/django-test-migrations/releases)
- [Changelog](https://github.com/wemake-services/django-test-migrations/blob/master/CHANGELOG.md)
- [Commits](wemake-services/django-test-migrations@1.3.0...1.4.0)

---
updated-dependencies:
- dependency-name: django-test-migrations
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -67,7 +67,7 @@ PyJWT==2.8.0
 cvss==3.1
 django-fieldsignals==0.7.0
 hyperlink==21.0.0
-django-test-migrations==1.3.0
+django-test-migrations==1.4.0
 djangosaml2==1.9.3
 drf-spectacular==0.27.2
 drf-spectacular-sidecar==2024.6.1