Increase node version of travis ci

Author: Crecket

.travis.yml

@@ -3,7 +3,7 @@ matrix:
   - os: osx
     osx_image: xcode9.4
     language: node_js
-    node_js: '10'
+    node_js: '12'
     env:
     - HOMEBREW_NO_AUTO_UPDATE=1
     - ELECTRON_CACHE=$HOME/.cache/electron
@@ -12,7 +12,7 @@ matrix:
     services: docker
     language: generic
     sudo: required
-    node_js: '10'
+    node_js: '12'
 
 addons:
   apt: