Move to version to before_install

Author: compulim

.travis.yml

@@ -3,15 +3,15 @@ language: node_js
 node_js:
 - "10"
 
-install:
+before_install:
 - npm install
 - sudo apt-get install jq
 - npx version-from-git --travis --no-git-tag-version
 - git checkout -b temp-ci
 - lerna version --force-publish --no-git-tag-version --no-push --yes `cat package.json | jq -r .version`
-- npm run bootstrap
 
-before_script:
+install:
+- npm run bootstrap
 - npm run build
 
 deploy: