chore: release version v0.12.0 #788

Job	Run time
ash-ci / audit	49s
ash-ci / mix deps.get	17s
ash-ci / mix igniter.upgrade	3s
ash-ci / MIX_ENV=test mix.compile	35s
ash-ci / MIX_ENV=dev mix.compile	46s
ash-ci / mix docs	33s
ash-ci / mix ash.codegen --check	0s
ash-ci / mix credo --strict	35s
ash-ci / mix dialyzer	4m 0s
ash-ci / mix format --check-formatted	31s
ash-ci / mix sobelow	42s
ash-ci / Deploy docs to GitHub pages.	0s
ash-ci / mix spark.cheat_sheets --check	31s
ash-ci / mix spark.formatter --check	37s
ash-ci / mix test	1m 2s
ash-ci / mix deps.unlock --check-unused	46s
ash-ci / Release	0s
	11m 47s

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