.travis.yml in ruby-pennylane-1.0.0 vs .travis.yml in ruby-pennylane-1.0.1

@@ -1,6 +1,6 @@
 ---
 language: ruby
 cache: bundler
 rvm:
-  - 2.7.4
+  - 3.1.0
 before_install: gem install bundler -v 2.2.24