### Description
Allow fine grained configuration on which release the test should be
run. This will be useful to start testing liquidsoap >=2.0.0 in our ci.
* ci: move analyzer jobs in a dedicated workflow
* ci: move worker jobs in a dedicated workflow
* ci: move legacy jobs in a dedicated workflow
* ci: move shared jobs in a dedicated workflow
* ci: move api-client jobs to dedicated workflow
* ci: remove unused test job
* ci: move api jobs in a dedicated workflow
* ci: move playout ci jobs in a dedicated workflow
* ci: remove unused test job
* ci: move test-with-database in api workflow
* ci: run playout on api-client changes
* ci: rename tools workflow to dev-tools
* ci: rename generic tests workflow to project
* ci: rename lint-pr workflow to pr
* ci: update python tests concurrency
* ci: update python caching keys
* ci: update website/docs trigger condition
* ci: update legacy trigger condition
* ci: readd cancel in progress
* ci :update api cache key