bump ruby version

Author: mscoutermarsh

.github/workflows/ruby.yml

@@ -15,8 +15,6 @@ jobs:
     - uses: actions/checkout@v2
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: 2.6
     - name: Install dependencies
       run: bundle install
     - name: Run tests

.ruby-version

@@ -1 +1 @@
-3.1.3
+3.3.5