CI: Breakout jobs and support Ruby 3.3.0

Separate out lint and test jobs to make CI more clear. Drop matrix
support, and instead update the local Ruby version to the latest version
`3.3.0`, and use that in CI.

Also updates test to ignore generated file that should have been
ignored.

.github/workflows/main.yml

@@ -8,21 +8,28 @@ on:
   pull_request:
 
 jobs:
-  build:
+  lint:
     runs-on: ubuntu-latest
-    name: Ruby ${{ matrix.ruby }}
-    strategy:
-      matrix:
-        ruby:
-          - '3.1.4'
-          - '3.2.2'
 
     steps:
     - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
-    - name: Run the default task
-      run: bundle exec rake
+
+    - name: Lint
+      run: bin/rails standard
+
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        bundler-cache: true
+
+    - name: Run tests
+      run: bin/rails test

.ruby-version

@@ -1 +1 @@
-3.2.2
+3.3.0

test/generators/suspenders/lint_generator_test.rb

@@ -260,6 +260,7 @@ def restore_destination
         remove_file_if_exists ".stylelintrc.json"
         remove_file_if_exists ".eslintrc.json"
         remove_file_if_exists ".prettierrc"
+        remove_file_if_exists ".prettierignore"
         remove_file_if_exists "package.json"
         remove_file_if_exists ".erb-lint.yml"
         remove_file_if_exists "config/better_html.yml"