updated homebrewalt version to 1.8.8

https://trello.com/c/yNVVuk8u/344-add-homebrewalt-ref-attribute-to-kitch
enplan-cheffile-once-new-tag-is-available
Merge branch 'update-homebrewalt-version'

* update-homebrewalt-version:
  updated homebrewalt version to 1.8.8