Merge pull request #708 from stripe-samples/dependabot/composer/server/php/stripe/stripe-php-tw-16.1.0

build(deps): update stripe/stripe-php requirement from ^15.8.0 to ^16.1.0 in /server/php

Author: hideokamoto-stripe

server/php/composer.json

@@ -1,6 +1,6 @@
 {
   "require": {
-    "stripe/stripe-php": "^15.8.0",
+    "stripe/stripe-php": "^16.1.0",
     "vlucas/phpdotenv": "^5.3"
   },
   "scripts": {