Update .travis.yml

Author: lamo2k123

.travis.yml

@@ -9,7 +9,7 @@ cache:
 
 install:
   - yarn global add jq
-  - yarn add $(jq -r '.peerDependencies|keys|join(" ")' package.json)
+  - yarn add $(jq -r '.peerDependencies|keys|join(" ")' package.json) -P
 
 script:
   - yarn transpile