Test Symfony 7.3

Author: loic425

.github/workflows/ci.yaml

@@ -17,6 +17,10 @@ jobs:
                 php: [ "8.1", "8.2", "8.3" ]
                 postgres: ["14.6"]
                 symfony: [ "^6.4", "^7.0" ]
+                include:
+                    - php: "8.3"
+                      symfony: "^7.3@beta"
+                      postgres: "14.6"
                 exclude:
                     - php: "8.1"
                       symfony: "^7.0"