Update deploy.yml

Author: maryamhashemi

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Setup Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '3.0.2'
+        ruby-version: '3.1.4'  # Update to latest 3.1.x version
     - name: Enable bundler cache
       uses: actions/cache@v2
       with: