Bump Ruby to 3.1

Author: barton2526

.github/workflows/ci.yaml

@@ -8,10 +8,10 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Set up Ruby 3.0
+      - name: Set up Ruby 3.1
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.0'
+          ruby-version: '3.1'
 
       - name: Install Bundle Dependencies 
         run: bundle install