Switch TravisCI environment to bionic, do not require sudo

On focal Ruby 2.7 can not be installed without additional packages. With bionic CI is green from 2.3 up to 3.0.
prontolabs · Jan 28, 2021 · 9668429 · 9668429
1 parent cc0acac
commit 9668429
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,5 @@
-sudo: required
 before_install: gem update --system
-dist: trusty
+dist: bionic
 language: ruby
 rvm:
   - 2.3