Explicitly declare travis_build_environment dependency on `apt`
Explicitly declare travis_build_environment dependency on `apt`

spurti-chopra/travis-cookbooks,ljharb/travis-cookbooks,travis-ci/travis-cookbooks,spurti-chopra/travis-cookbooks,travis-ci/travis-cookbooks,ljharb/travis-cookbooks,ljharb/travis-cookbooks,travis-ci/travis-cookbooks,spurti-chopra/travis-cookbooks