ci: 🎡 drop support for old node version and add support for v12

Gpx · Gpx · commit bf61a9d3e366 · 2019-08-28T10:10:14.000+02:00
Node v8 and v11 are no longer supported by Node itself. Dropping support
for those and adding support to Node v12

BREAKING CHANGE: Node v8 and v11 should still work but they are no longer tested in CI
diff --git a/.nvmrc b/.nvmrc
@@ -1 +1 @@
-v11.12.0
+v12.9.1
diff --git a/.travis.yml b/.travis.yml
@@ -9,9 +9,8 @@ cache:
 notifications:
   email: false
 node_js:
-  - '11'
+  - '12'
   - '10'
-  - '9'
   - '8'
 before_script:
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
diff --git a/package-lock.json b/package-lock.json
