Add PHP 8.4 to build

Author: odan

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ ubuntu-latest ]
-        php-versions: [ '8.2', '8.3' ]
+        php-versions: [ '8.2', '8.3', '8.4' ]
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
 
     steps: