updating actions and Step versions

Author: TwP

.github/workflows/ruby.yml

@@ -17,11 +17,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: ['2.7', '3.1', '3.2', 'jruby']
+        ruby-version: ['2.7', '3.1', '3.2', '3.3', 'jruby']
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup Ruby
       uses: ruby/setup-ruby@v1
@@ -30,7 +30,7 @@ jobs:
         bundler-cache: true
 
     - name: Setup Gem Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: vendor/bundle
         key: ${{ runner.os }}-gems-${{ matrix.ruby-version }}-${{ hashFiles('**/Gemfile.lock') }}