Bump django-webtest from 1.9.10 to 1.9.11

Bumps [django-webtest](https://github.com/django-webtest/django-webtest) from 1.9.10 to 1.9.11.
- [Changelog](https://github.com/django-webtest/django-webtest/blob/master/CHANGES.rst)
- [Commits](django-webtest/django-webtest@1.9.10...1.9.11)

---
updated-dependencies:
- dependency-name: django-webtest
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

example_project/requirements_test.txt

@@ -1,6 +1,6 @@
 beautifulsoup4==4.12.2
 django-mptt==0.14.0
-django-webtest==1.9.10
+django-webtest==1.9.11
 cssselect==1.2.0
 lxml==4.9.3
 playwright==1.37.0