Refresh package-lock.json due to node lts version bump (https://github.com/woocommerce/woocommerce-blocks/pull/1058)

* refresh package-lock

* update travis config

* doh, typo

* try a rebuild for all

plugins/woocommerce-blocks/.travis.yml

@@ -13,7 +13,8 @@ cache:
 
 before_install:
   - timedatectl
-  - nvm install --latest-npm
+  - nvm install
+  - npm rebuild
 
 before_script:
   - export PATH="$HOME/.composer/vendor/bin:$PATH"
@@ -63,4 +64,4 @@ jobs:
         - name: Javascript/CSS Lint and Bundle Size Check
           script:
             - npm install
-            - npm run build:ci
+            - npm run build:ci