attempt 2

Author: stefannibrasil

.github/workflows/ruby.yml

@@ -47,14 +47,17 @@ jobs:
           - truffleruby-head
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v3
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
-        bundler: ${{ (matrix.ruby < '3' && '2.5.23') || 'latest' }}
 
     - name: Install dependencies
-      run: bundle install
+      run:  |
+        if [[ "${{ matrix.ruby }}" < "3.1" ]]; then
+          gem update --system 2.4.22 --no-document
+        fi
+        bundle install
 
     - name: Run tests
       run: bundle exec rake test