Update travis to use ubuntu 20.04 so that stable node.js can be used …

…again.
mathjax · Jun 8, 2022 · e75730b · e75730b
1 parent 227c4fe
commit e75730b
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,10 @@
+dist: focal
 language: node_js
 node_js:
-- 17
+  - stable
 sudo: false
 script:
-- npm test
+  - npm test
 branches:
   only:
   - "/^\\d+\\.\\d+/"