ci: use node 10.19.0

Author: nodkz

.travis.yml

@@ -8,7 +8,7 @@ cache:
 notifications:
   email: true
 node_js:
-  - "10.x"
+  - "10.19.0"
 before_install:
   - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.7.0
   - export PATH=$HOME/.yarn/bin:$PATH