Update dependency django to v5.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
django (changelog)	5.0.8 -> 5.1.1

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Release Notes

django/django (django)

### [`v5.1.1`](https://redirect.github.com/django/django/compare/5.1...5.1.1) [Compare Source](https://redirect.github.com/django/django/compare/5.1...5.1.1) ### [`v5.1`](https://redirect.github.com/django/django/compare/5.0.8...5.1) [Compare Source](https://redirect.github.com/django/django/compare/5.0.9...5.1) ### [`v5.0.9`](https://redirect.github.com/django/django/compare/5.0.8...5.0.9) [Compare Source](https://redirect.github.com/django/django/compare/5.0.8...5.0.9)

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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

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