ci: use latest npm on Travis

dominykas · dominykas · commit 96f5bb2a04ca · 2022-01-31T16:13:55.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,5 +7,6 @@ cache:
   npm: false
 
 install:
+  - "npm install -g npm"
   - "npm install --ignore-scripts"
   - "npx allow-scripts"
