Puppetboard

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* Fix `LOCALISE_TIMESTAMP = False` and document how it works. ([461](https://github.com/voxpupuli/puppetboard/issues/461))

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* Confirm support for Python 3.11 (final), switch the Docker image to use that version of Python.

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* Fixed incompatibility with Python 3.7 that has occurred at least in the tests (regression introduced in 4.1.1). ([720](https://github.com/voxpupuli/puppetboard/pull/720))

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* Fixed showing facts with graph (regression introduced in 4.1.0). ([719](https://github.com/voxpupuli/puppetboard/issues/719))

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* Show configurable favorite environments immediately after the "All Environments" in the dropdown. ([705](https://github.com/voxpupuli/puppetboard/pull/705))
* Automatic OS values for Linux, macOS and Windows nodes in the Inventory view. Customizable Inventory fact values using Jinja templates. PR [712](https://github.com/voxpupuli/puppetboard/pull/712), fixes [#485](https://github.com/voxpupuli/puppetboard/issues/485).
* Big upgrade of the frontend dependencies, including migration to their maintained forks in a few cases (Semantic UI → Fomantic UI, c3.js → billboard.js). ([708](https://github.com/voxpupuli/puppetboard/pull/708))

Very big thanks to [Melchior NOGUES](https://github.com/melck) who did most of the development for this release!

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