build: Node.js@15.12

dougwilson · dougwilson · commit 8844b1f556b0 · 2021-05-31T18:29:40.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -18,7 +18,7 @@ node_js:
   - "12.21"
   - "13.14"
   - "14.17"
-  - "15.11"
+  - "15.12"
   - "16.2"
 sudo: false
 dist: trusty
