enhance(ci-runtime): Cache apt under travis

Apt currently takes ~2 minutes to execute. Hopefully caching will improve that.
7 years ago · f66bc1a7db
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -7,6 +7,7 @@ node_js:
  - 7

 cache:
+  apt: true
  yarn: true
  directories:
    - node_modules