chore(deps): bump django-import-export from 2.7.1 to 4.3.9

---
updated-dependencies:
- dependency-name: django-import-export
  dependency-version: 4.3.9
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

base-requirements.txt

@@ -49,7 +49,7 @@ num2words==0.5.13
 django-polymorphic==3.1.0  # 3.1.0 is first version that supports Django 4.0, unsure if it fully supports 4.2
 sorl-thumbnail==12.11.0
 django-extensions==3.2.3
-django-import-export==2.7.1
+django-import-export==4.3.9
 
 pypandoc==1.12
 panflute==2.3.1