--------------------
- Plone 6 compatibility.
[aduchene]
- Theme extracted to `plonetheme.deliberations` package.
[aduchene]
- Use latest Python 3.12 and Plone 6.0.13.
[aduchene]
- "Publications" feature :
- Rename "meetings" folder to "decisions".
- Use `collective.autopublishing` to manage automatic publishing of publications.
- Use `collective.timestamp` to manage publication timestamping.
- Use `imio.webspellchecker` to have better webspellchecking.
- Add `Publication` content type.
- Add `Publication` views and faceted navigation.
- Add custom workflows to manage publications and folders.
- Add new groups `*-publications-manager` for each institution to manage publications.
- Add some unit tests about the feature.
- Add an upgrade step to migrate meetings and items in decisions folder.
- Miscellaneous fixes and tweaks to make it work nicely.
[gbastien, laulaz, aduchene]