This reverts commit 84a5e23f.

Bumps [wagtail](https://github.com/wagtail/wagtail) from 2.7.1 to 2.8.
- [Release notes](https://github.com/wagtail/wagtail/releases)
- [Changelog](https://github.com/wagtail/wagtail/blob/master/CHANGELOG.txt)
- [Commits](https://github.com/wagtail/wagtail/compare/v2.7.1...v2.8

)

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

Bumps [djangorestframework-api-key](https://github.com/florimondmanca/djangorestframework-api-key) from 1.3.0 to 1.4.1.
- [Release notes](https://github.com/florimondmanca/djangorestframework-api-key/releases)
- [Changelog](https://github.com/florimondmanca/djangorestframework-api-key/blob/master/CHANGELOG.md)
- [Commits](https://github.com/florimondmanca/djangorestframework-api-key/compare/v1.3.0...v1.4.1

)

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

Bumps [django-extensions](https://github.com/django-extensions/django-extensions) from 2.1.7 to 2.2.8.
- [Release notes](https://github.com/django-extensions/django-extensions/releases)
- [Changelog](https://github.com/django-extensions/django-extensions/blob/master/CHANGELOG.md)
- [Commits](https://github.com/django-extensions/django-extensions/compare/2.1.7...2.2.8

)

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

Bumps [pillow](https://github.com/python-pillow/Pillow) from 5.4.1 to 6.2.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst)
- [Commits](https://github.com/python-pillow/Pillow/compare/5.4.1...6.2.0

)

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

Bumps [django-anymail](https://github.com/anymail/django-anymail) from 6.0.1 to 7.0.0.
- [Release notes](https://github.com/anymail/django-anymail/releases)
- [Changelog](https://github.com/anymail/django-anymail/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/anymail/django-anymail/compare/v6.0.1...v7.0

)

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

Bumps [django-select2](https://github.com/applegrew/django-select2) from 7.1.1 to 7.2.0.
- [Release notes](https://github.com/applegrew/django-select2/releases)
- [Commits](https://github.com/applegrew/django-select2/compare/7.1.1...7.2.0

)

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

Bumps [celery](https://github.com/celery/celery) from 4.3.0 to 4.4.0.
- [Release notes](https://github.com/celery/celery/releases)
- [Changelog](https://github.com/celery/celery/blob/master/Changelog.rst)
- [Commits](https://github.com/celery/celery/compare/v4.3.0...4.4.0

)

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

Bumps [django-filter](https://github.com/carltongibson/django-filter) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/carltongibson/django-filter/releases)
- [Changelog](https://github.com/carltongibson/django-filter/blob/master/CHANGES.rst)
- [Commits](https://github.com/carltongibson/django-filter/compare/2.1.0...2.2.0

)

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

Bumps [reportlab](http://www.reportlab.com/

) from 3.5.31 to 3.5.34.

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

Bumps [django-pagedown](https://github.com/timmyomahony/django-pagedown) from 1.0.6 to 2.0.3.
- [Release notes](https://github.com/timmyomahony/django-pagedown/releases)
- [Commits](https://github.com/timmyomahony/django-pagedown/commits

)

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