Bump django-autocomplete-light from 3.5.1 to 3.9.7

Bumps [django-autocomplete-light](https://github.com/yourlabs/django-autocomplete-light) from 3.5.1 to 3.9.7.
- [Release notes](https://github.com/yourlabs/django-autocomplete-light/releases)
- [Changelog](https://github.com/yourlabs/django-autocomplete-light/blob/master/CHANGELOG)
- [Commits](yourlabs/django-autocomplete-light@3.5.1...3.9.7)

---
updated-dependencies:
- dependency-name: django-autocomplete-light
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -70,7 +70,7 @@ dj-pagination==2.5.0
 django-select2==8.1.2
 django-floppyforms<1.10.0
 django-forms-bootstrap<=3.1.0
-django-autocomplete-light==3.5.1
+django-autocomplete-light==3.9.7
 django-invitations<2.0.1
 django-recaptcha==3.0.0