Test with PHP 8.4

Author: sebastianbergmann

.github/workflows/ci.yml

@@ -83,6 +83,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
     steps:
       - name: Configure Git to avoid issues with line endings
@@ -133,6 +134,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
     steps:
       - name: Configure Git to avoid issues with line endings
@@ -307,6 +309,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
 
     steps:
       - name: Checkout