Update django-import-export requirement

Updates the requirements on [django-import-export](https://github.com/django-import-export/django-import-export) to permit the latest version.
- [Release notes](https://github.com/django-import-export/django-import-export/releases)
- [Changelog](https://github.com/django-import-export/django-import-export/blob/main/docs/changelog.rst)
- [Commits](django-import-export/django-import-export@2.9.0...4.2.0)

---
updated-dependencies:
- dependency-name: django-import-export
  dependency-type: direct:production
...

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

requirements.txt

@@ -9,7 +9,7 @@ cryptography>=38.0.1,<43.0.2
 Django~=4.2.0  # LTS version, switch only if we have a compelling reason to
 django-filter>=23.1,<=24.3
 django-guid>=3.3,<=3.5.0
-django-import-export>=2.9,<3.4.0
+django-import-export>=2.9,<4.3.0
 django-lifecycle>=1.0,<=1.2.4
 djangorestframework>=3.14.0,<=3.15.2
 djangorestframework-queryfields>=1.0,<=1.1.0