Add PHP 8.4 to the matrix

Author: gsteel

.github/workflows/Build-Test.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-22.04]
-        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']
+        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4']
         include:
           - operating-system: ubuntu-20.04
             php-versions: '7.4'