Use node 16 and higher for CI

tshemsedinov · tshemsedinov · commit feb896f7323b · 2022-09-15T23:46:10.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - 12
-  - 14
+  - 16
+  - 18
 services:
   - postgresql
 before_script:
