Update ubuntu

.github/workflows/tests.yml

@@ -9,9 +9,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.2.6', '3.3.6', '3.4.1']
+        ruby: ['3.2.6', '3.3.6']
         rails: ['6.1.5', '7.0.3']
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: Testing with Ruby ${{ matrix.ruby }} and Rails ${{ matrix.rails }}
     steps:
       - uses: actions/checkout@v2
@@ -34,15 +34,15 @@ jobs:
         run: make rspec
 
   quality_checks:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: Code quality, test coverage and documentation checks
     steps:
       - uses: actions/checkout@v2
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.1.2
+          ruby-version: 3.2.6
 
       - name: Install gems
         run: |