#446)

* feat: Pre-populate `version.content` cache when getting version for content

* Update djangocms_versioning/models.py

* Bump python to 3.12 for tests against latest Django

* Use reverse cache

* add page prefetch for view published button

* remove lru_cache from toolbar (memory leak)

* remove unused import

* Undo unnecessary changes for outdated django CMS versions

* Sort imports

* fix: Language menu created twice

* fix lint issues

* Update djangocms_versioning/cms_toolbars.py

Bumps [actions/cache](https://github.com/actions/cache) from 4.2.0 to 4.2.2.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.2.0...v4.2.2)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* fix: Test compatibility with django CMS 5

* Update tests/test_integration_with_core.py

…ews. Do not add again. (#455)

* fix: For headless mode, django CMS 4.2 adds preview buttons to all views. Do not add again.

* fix: sqlite build on django main

Latest Django main will only support Python3.12+, so 3.11 won't work

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Co-authored-by: Vinit kumar <[email protected]>

…ns (#345)

* feat: Let default_copy also copy PlaceholderRelationFields

* Clarify comment

* Call copy_relations if it exists in verisioned model

* Update tests

* Fix indent

* Fix test

* Update page content copy

* Fix creation_date for page content

* Fix linting issues

* More ruff fixes

* fix test

* Update tests/test_datastructures.py

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>

* Improve tests

---------

Co-authored-by: sourcery-ai[bot] <58596630+sourcery-ai[bot]@users.noreply.github.com>