Pin node version to 14

ironprogrammer · ironprogrammer · commit d81bf2967e0a · 2022-08-12T14:35:36.000-07:00
In response to #174 (comment).
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: php
 node_js:
-  - node
+  - 14
 
 before_install:
   - npm install -g npm@latest
