* deprecate old commands
* add changelog fragment
* fix django version in docs
* fix wording on the deprecations
* Update changelogs/fragments/5400-django-manage-deprecations.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
* update chglog fragment
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 7857d0669e)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
