Update travsici

.travis.yml

@@ -1,3 +1,5 @@
+os: linux
+dist: xenial
 language: node_js
 node_js: 'lts/*'
 
@@ -14,19 +16,20 @@ jobs:
       os: windows
     - stage: release
       name: 'Publish to npm'
-      if: tag IS present
-      on:
-        branch: master
+      if: 
+        - tag IS present
+        - branch = master
       deploy:
         provider: npm
         email: kmalakoff@gmail.com
-        api_key:
+        api_token:
           secure: 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
       install: skip
       script: skip
       after_success: skip
 
-script:
+before_install:
   - npm uninstall node-version-use -g
+script:
   - npm install node-version-use -g
   - nvu engines npm test