ci(node): update node to v12

Author: lgaticaq

.travis.yml

@@ -4,7 +4,7 @@ cache:
     - ~/.npm
     - .nyc_output
 node_js:
-  - "11"
+  - "12"
 notifications:
   email: false
 stages:
@@ -25,7 +25,7 @@ jobs:
       script: commitlint-travis
     - stage: test
       node_js:
-        - "11"
+        - "12"
         - "10"
       script: npm t
     - stage: coverage