Run tests on Symfony 7.3

Author: mbabker

.github/workflows/ci.yaml

@@ -20,14 +20,14 @@ jobs:
                 symfony:
                     - '5.4.*'
                     - '6.4.*'
-                    - '7.0.*'
+                    - '7.3.*'
                 include:
                     - php: '8.1'
                       symfony: '5.4.*'
                       dependency: 'lowest'
                 exclude:
                     - php: '8.1'
-                      symfony: '7.0.*'
+                      symfony: '7.3.*'
             fail-fast: false
         steps:
             - name: Checkout