Merge pull request #700 from jrafanie/update_travis_ruby26_27

Test with ruby 2.6.6 and 2.7.2 per ManageIQ/manageiq#19678

.travis.yml

@@ -1,8 +1,8 @@
 ---
 language: ruby
 rvm:
-- 2.5.8
 - 2.6.6
+- 2.7.2
 arch:
 - amd64
 - ppc64le
@@ -13,6 +13,7 @@ cache:
   - "$HOME/gopath/pkg/mod"
 before_script:
 - eval "$(gimme 1.14)"
-- travis_wait curl -L https://github.com/operator-framework/operator-sdk/releases/download/v0.15.1/operator-sdk-v0.15.1-$(uname -m)-linux-gnu -o /home/travis/bin/operator-sdk && chmod +x /home/travis/bin/operator-sdk
+- travis_wait curl -L https://github.com/operator-framework/operator-sdk/releases/download/v0.15.1/operator-sdk-v0.15.1-$(uname
+  -m)-linux-gnu -o /home/travis/bin/operator-sdk && chmod +x /home/travis/bin/operator-sdk
 script:
 - bundle exec rspec