improvement: add testing Cldr #280

Job	Run time
ash-ci / audit	1m 17s
ash-ci / mix deps.get	16s
ash-ci / mix igniter.upgrade	5s
ash-ci / MIX_ENV=test mix.compile	1m 14s
ash-ci / mix credo --strict	1m 9s
ash-ci / mix docs	2m 49s
ash-ci / MIX_ENV=dev mix.compile	1m 14s
ash-ci / mix ash.codegen --check	0s
ash-ci / mix dialyzer	4m 21s
ash-ci / mix format --check-formatted	1m 13s
ash-ci / mix spark.cheat_sheets --check	1m 15s
ash-ci / mix sobelow	1m 9s
ash-ci / mix spark.formatter --check	1m 11s
ash-ci / mix deps.unlock --check-unused	1m 8s
ash-ci / mix test	1m 45s
ash-ci / Deploy docs to GitHub pages.	7s
ash-ci / NIF ${{ matrix.nif }} - ${{ matrix.job.target }} (${{ matrix.job.os }})	0s
ash-ci / Release	0s
	20m 13s

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