Reset in-between installing and cleaning up when running brew bundle install --cleanup

[MatthiasPortzel]

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Fixes #20222.

I'm not attached to this change-set, feel free to modify before merging. Just wanted to put up a PR inline with what we discussed on that issue.

[MatthiasPortzel]

Marking as draft because I'm only about 80% confident that this is correct. I haven't tested installing a full Brewfile with these changes.