chore(deps): bump django-filter from 25.2 to 26.1 (#15249)

Bumps [django-filter](https://github.com/carltongibson/django-filter) from 25.2 to 26.1.
- [Release notes](https://github.com/carltongibson/django-filter/releases)
- [Changelog](https://github.com/carltongibson/django-filter/blob/main/CHANGES.rst)
- [Commits](carltongibson/django-filter@25.2...26.1)

---
updated-dependencies:
- dependency-name: django-filter
  dependency-version: '26.1'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -9,7 +9,7 @@ django-auditlog==3.2.1
 django-pghistory==3.9.2
 django-dbbackup==5.3.0
 django-environ==0.14.0
-django-filter==25.2
+django-filter==26.1
 django-htmx==1.28.0
 django-imagekit==6.1.0
 django-multiselectfield==1.0.1