Update django-colorfield requirement from ~=0.6.3 to ~=0.7.0

Updates the requirements on [django-colorfield](https://github.com/fabiocaccamo/django-colorfield) to permit the latest version.
- [Release notes](https://github.com/fabiocaccamo/django-colorfield/releases)
- [Changelog](https://github.com/fabiocaccamo/django-colorfield/blob/master/CHANGELOG.md)
- [Commits](fabiocaccamo/django-colorfield@0.6.3...0.7.0)

---
updated-dependencies:
- dependency-name: django-colorfield
  dependency-type: direct:production
...

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

requirements.txt

@@ -8,7 +8,7 @@ django-mdeditor~=0.1.20
 requests~=2.27.1
 djangorestframework~=3.13.1
 git+https://github.com/Rurusetto/rurusetto-django-allauth.git
-django-colorfield~=0.6.3
+django-colorfield~=0.7.0
 django-admin-interface~=0.19.1
 python-decouple~=3.6
 python-dateutil~=2.8.2