Add PHP 8.4

Author: simonhamp

./workflows/build-php.yml

@@ -20,7 +20,7 @@ jobs:
 
 strategy:
 matrix:
-version: ["8.1", "8.2", "8.3"]
+version: ["8.1", "8.2", "8.3", "8.4"]
 os: ["macos-13", "macos-latest", "windows-latest", "ubuntu-latest"]
 
 continue-on-error: true