ci: update Node.js version

see: loopbackio/cicd#2
see: loopbackio/cicd#4

Signed-off-by: Rifa Achrinza <25147899+achrinza@users.noreply.github.com>

Author: achrinza

.travis.yml

@@ -8,6 +8,7 @@ node_js:
   - 12
   - 14
   - 16
+  - 17
 before_install: |
   docker run --name=mongodb --publish=27017:27017 --detach mongo:4.4
   until docker exec --tty mongodb mongo --port=27017 --eval='db.serverStatus()'