Bump django-upgrade from 1.28.0 to 1.29.0

[dependabot]

Bumps django-upgrade from 1.28.0 to 1.29.0.

Changelog

Sourced from django-upgrade's changelog.

1.29.0 (2025-10-06)

• Add Django 6.0+ fixer :ref:mail_api_kwargs <mail_api_kwargs> to rewrite positional arguments to keyword arguments for some django.core.mail APIs.

  PR [#600](https://github.com/adamchainz/django-upgrade/issues/600) <https://github.com/adamchainz/django-upgrade/pull/600>__.

• Add Django 6.0+ fixer :ref:default_auto_field <default_auto_field> to remove now-redundant auto field specifications. The fixer removes the DEFAULT_AUTO_FIELD setting and AppConfig.default_auto_field attribute when they are set to the new default of django.db.models.BigAutoField.

  Thanks to q0w in PR [#591](https://github.com/adamchainz/django-upgrade/issues/591) <https://github.com/adamchainz/django-upgrade/pull/591>__.

• Add Django 6.0+ fixer :ref:stringagg <stringagg> to rewrite StringAgg imports from django.contrib.postgres.aggregates to django.db.models. This fixer replaces the compatibility import rewrite added in 1.27.0, and now correctly wraps the delimiter argument in Value() when it is a string literal.

  PR [#596](https://github.com/adamchainz/django-upgrade/issues/596) <https://github.com/adamchainz/django-upgrade/pull/596>__.

• Add Django 6.0+ fixer :ref:settings_admins_managers <settings_admins_managers> to rewrite the ADMINS and MANAGERS settings to drop the previously-unused name parts of the tuples.

  PR [#601](https://github.com/adamchainz/django-upgrade/issues/601) <https://github.com/adamchainz/django-upgrade/pull/601>__.

Commits

• f5d4d0e Version 1.29.0
• ce7a05a Django 6.0: Rewrite the ADMINS and MANAGERS settings (#601)
• fd12a6b Move Django 6.0+ StringAgg rewriting to a new fixer (#596)
• 9387eda Remove class-based settings example from default_auto_field docs
• 33cf21a Django 6.0: Update email API calls to use keyword arguments (#600)
• 930312f Bump actions/setup-python from 5 to 6 in the github-actions group (#599)
• bfc43fc Fix removing a solo class-based setting (#597)
• 0d1d2b4 Django 6.0: Drop default auto field declarations set to BigAutoField (#591)
• d5369ac Hoist model_field_choices check to Fixer.condition (#595)
• 43cd111 Fix minor docs syntax issue
• See full diff in compare view

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