chore: release version v4.0.4 #1621

Job	Run time
mix deps.get	24s
MIX_ENV=test mix.compile	32s
mix hex.audit	15s
mix credo --strict	32s
mix format --check-formatted	28s
mix git_ops.check_message	32s
mix doctor --full --raise	30s
mix dialyzer	39s
mix sobelow --config	31s
mix spark.formatter --check	32s
mix test	50s
mix ash_postgres.generate_migrations --check	29s
mix spark.cheat_sheets --check	29s
mix deps.unlock --check-unused	26s
MIX_ENV=dev mix.compile	38s
mix docs	43s
Deploy docs to GitHub pages.	10s
	8m 40s

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