Change setup-ruby action

.gitea/workflows/run-test-suite.yaml

@@ -7,10 +7,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: 3.2.2
-          bundler-cache: true
-      - name: Run tests
         run: |
-          bundle exec rspec
+          apt-get update
+          apt-get install -y rbenv
+          rbenv install --list
+      - name: Bundle
+        run: bundle
+      - name: Run tests
+        run: bundle exec rspec

.ruby-version

@@ -1 +1,2 @@
 3.2.2
+3.2