Bump django from 4.2.19 to 5.1.7

[dependabot[bot]]

Bumps django from 4.2.19 to 5.1.7.

Commits

• 691e945 [5.1.x] Bumped version for 5.1.7 release.
• 8dbb44d [5.1.x] Fixed CVE-2025-26699 -- Mitigated potential DoS in wordwrap template ...
• d7dc1f6 [5.1.x] Fixed typo in docs/ref/checks.txt.
• dbd94e7 [5.1.x] Fixed #36227 -- Fixed outdated PostgreSQL documentation links.
• cc405e1 [5.1.x] Fixed #36128 -- Clarified auto-generated unique constraint on m2m thr...
• 03ace75 [5.1.x] Fixed #36217 -- Restored pre_save/post_save signal emission via LogEn...
• 76a9f12 [5.1.x] Added some heading labels to to docs/topics/cache.txt.
• 558c616 [5.1.x] Added stub release notes and release date for 5.1.7, 5.0.13, and 4.2.20.
• 11243cc [5.1.x] Added security guideline on reasonable size limitations when renderin...
• b80288a [5.1.x] Added security reporting guidelines.
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)