Bump django-allauth from 0.63.6 to 64.2.1

Bumps [django-allauth](https://github.com/pennersr/django-allauth) from 0.63.6 to 64.2.1.
- [Changelog](https://github.com/pennersr/django-allauth/blob/main/ChangeLog.rst)
- [Commits](pennersr/django-allauth@0.63.6...64.2.1)

---
updated-dependencies:
- dependency-name: django-allauth
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements/base.txt

@@ -1,6 +1,6 @@
 # Django
 django==4.2.15
-django-allauth==0.63.6
+django-allauth==64.2.1
 django-anymail[mailgun]==8.6
 django-autoslug==1.9.9  # https://github.com/justinmayer/django-autoslug
 django-ckeditor==6.7.1 # Todo: Unused, remove.