CI: pin Ruby to 3.3, remove Ruby matrix, add bundle install, update artifact name

Author: BilalBudhani

.github/workflows/ci.yml

@@ -26,12 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: ["3.0", "3.1", "3.2", "3.3"]
         rails-version: ["rails-7-1", "rails-7-2", "rails-8-0"]
-        exclude:
-          # Rails 8 requires Ruby 3.1+
-          - ruby-version: "3.0"
-            rails-version: "rails-8-0"
 
     steps:
       - name: Install packages
@@ -43,8 +38,11 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ${{ matrix.ruby-version }}
-          bundler-cache: true
+          ruby-version: "3.3"
+          bundler-cache: false
+
+      - name: Install dependencies
+        run: bundle install
 
       - name: Generate Appraisal gemfiles
         run: bundle exec appraisal install
@@ -56,6 +54,6 @@ jobs:
         uses: actions/upload-artifact@v4
         if: failure()
         with:
-          name: screenshots-${{ matrix.ruby-version }}-${{ matrix.rails-version }}
+          name: screenshots-${{ matrix.rails-version }}
           path: ${{ github.workspace }}/tmp/screenshots
           if-no-files-found: ignore