fix(deps): update dependency django to v4 - autoclosed

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
django (source, changelog)	^3 -> ^4

Release Notes

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR is behind base branch, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

• If you want to rebase/retry this MR, check this box

This MR has been generated by Renovate Bot.