ci(travis): use build config validation (beta) [skip ci]

* Automated using myii/ssf-formula#97
saltstack-formulas · Nov 13, 2019 · e262e3e · e262e3e
1 parent 0b14160
commit e262e3e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -3,6 +3,7 @@
 ---
 ## Machine config
 dist: bionic
+version: '~> 1.0'
 sudo: required
 services:
   - docker