ci(travis): add semanticrelease/exec

cyberhck · cyberhck · commit b2d6764b6223 · 2019-07-15T23:36:58.000+07:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,7 @@ node_js:
 
 before_install:
   - npm install -g greenkeeper-lockfile@1
+  - npm i @semantic-release/exec
 
 before_script: greenkeeper-lockfile-update
 
