Update CI

Author: minad

.github/workflows/test.yml

@@ -46,6 +46,11 @@ jobs:
         if: ${{ matrix.ruby != '2.5' && matrix.ruby != '2.6' }}
         env:
           SINATRA: 4.0.0
+      - run: bundle update && bundle exec rake test:sinatra
+        name: "rake test:sinatra SINATRA=4.1.1"
+        if: ${{ matrix.ruby != '2.5' && matrix.ruby != '2.6' }}
+        env:
+          SINATRA: 4.1.1
       - run: bundle update && bundle exec rake test:sinatra
         name: "rake test:sinatra SINATRA=main"
         if: ${{ matrix.ruby != '2.5' && matrix.ruby != '2.6' }}