upgrade ci to rails 7 and ruby 3

Author: PedroAugustoRamalhoDuarte

.github/workflows/push.yml

@@ -7,14 +7,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.6, 2.7]
-        rails: ['5.0', '5.1', '5.2', '6.0', '6.1']
+        ruby: ['3.1', '3.2', '3.3']
+        rails: ['6.1', '7.0', '7.1']
 
     runs-on: ubuntu-latest
     name: Test against Ruby ${{ matrix.ruby }} / Rails ${{ matrix.rails }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup System
         run: sudo apt-get install libsqlite3-dev