Include `Which` for `HomebrewUserWrapper` #141

Job	Run time
lint-unit / markdownlint-cli2	4s
lint-unit / cookstyle	41s
lint-unit / check-metadata	5s
lint-unit / markdown-link-check	21s
lint-unit / rspec	49s
lint-unit / yamllint	10s
integration	0s
	2m 10s

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