chore: .travis.yml

.travis.yml

@@ -1,3 +1,6 @@
+branches:
+  only:
+    - master
 language: node_js
 node_js:
 - lts/*
@@ -9,15 +12,12 @@ script:
 - yarn build
 cache: yarn
 deploy:
-- on:
-    branch: master
-  provider: pages
-  skip-cleanup: true
-  keep-history: true
+- provider: pages
   local-dir: docs
   github-token: $GITHUB_TOKEN
-- on:
-    branch: master
-  provider: npm
+  skip-cleanup: true
+  keep-history: true
+- provider: npm
   email: [email protected]
   api_key: $NPM_TOKEN
+  skip-cleanup: true