[PHP-Symfony] fix #15950: Add float to deserialize (#16835)

* [PHP-Symfony] fix #15950: Add float to deserialize

* Add test sample

* Add double

---------

Co-authored-by: DaxServer <daxserver@icloud.com>

samples/server/petstore/php-symfony/SymfonyBundle-php/Service/JmsSerializer.php

@@ -75,6 +75,13 @@ class JmsSerializer implements SerializerInterface
                     return $data + 0;
                 }
 
+                break;
+            case 'double':
+            case 'float':
+                if (is_float($data) || is_numeric($data)) {
+                    return (float) $data;
+                }
+
                 break;
             case 'string':
                 break;