.travis.yml in covid19-cli-0.1.0 vs .travis.yml in covid19-cli-0.2.0

@@ -1,6 +1,7 @@
 ---
+sudo: false
 language: ruby
 cache: bundler
 rvm:
   - 2.5.1
-before_install: gem install bundler -v 2.1.4
+before_install: gem install bundler -v 1.17.3