chore: Update the dependencies (#383)

Author: jdneo

.travis.yml

@@ -24,6 +24,8 @@ before_install:
       /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
       sleep 3
     fi
+  - nvm install 12
+  - nvm use 12
 
 install:
 - npm install -g vsce