chore: update `Mix.Helpers` naming #32

Job	Run time
ash-ci / mix deps.get	18s
ash-ci / MIX_ENV=dev mix.compile	22s
ash-ci / MIX_ENV=test mix.compile	31s
ash-ci / mix hex.audit	30s
ash-ci / mix docs	30s
ash-ci / mix format --check-formatted	39s
ash-ci / mix dialyzer	3m 12s
ash-ci / mix sobelow	27s
ash-ci / mix credo --strict	42s
ash-ci / mix spark.cheat_sheets --check	38s
ash-ci / mix spark.formatter --check	30s
ash-ci / mix test	1m 59s
ash-ci / mix deps.unlock --check-unused	27s
ash-ci / Deploy docs to GitHub pages.	12s
ash-ci / Release	0s
	10m 57s

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