Add PHP 8.4 build and run tests with Symfony 7.3

Author: mbabker

.github/workflows/ci.yaml

@@ -14,19 +14,20 @@ jobs:
           - '8.1'
           - '8.2'
           - '8.3'
+          - '8.4'
         dependency:
           - ''
         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