Add Symfony 6.4 and 7.0 to the test matrix

Author: javiereguiluz

.github/workflows/ci.yml

@@ -82,6 +82,10 @@ jobs:
                       sf_version: '6.0.*'
                     - php: '8.2'
                       sf_version: '6.2.*'
+                    - php: '8.2'
+                      sf_version: '6.4.*'
+                    - php: '8.2'
+                      sf_version: '7.0.*'
         steps:
             - name: "Setup PHP"
               uses: shivammathur/setup-php@v2