Add new node.js versions to CI

tshemsedinov · tshemsedinov · commit 5e83ee1ef888 · 2022-05-26T00:28:01.000+03:00
PR-URL: #63
diff --git a/.travis.yml b/.travis.yml
@@ -4,7 +4,9 @@ node_js:
   - 10
   - 12
   - 14
-  - 15
+  - 16
+  - 17
+  - 18
 services:
   - mysql
 before_install:
