* Migrate pkg_resources API related to resources to importlib_resources
* Fix lint and mypy + pin lexicon
* Update filterwarnings
* Update oldest tests requirements
* Update pinned dependencies
* Fix for modern versions of python
* Fix assets load in nginx integration tests
* Fix a warning
* Isolate static generation from importlib.resource into a private function
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Co-authored-by: Adrien Ferrand <adrien.ferrand@amadeus.com>
