PHP 8.3 is our only build target

Author: nikosdion

.github/workflows/build-php.yml

@@ -21,7 +21,7 @@ jobs:
 
     strategy:
       matrix:
-        version: ["8.2", "8.3", "8.4"]
+        version: ["8.3"]
         os:
           [
             "macos-13",