chore(deps): bump stripe/stripe-php from 14.10.0 to 15.0.0

Bumps [stripe/stripe-php](https://github.com/stripe/stripe-php) from 14.10.0 to 15.0.0.
- [Release notes](https://github.com/stripe/stripe-php/releases)
- [Changelog](https://github.com/stripe/stripe-php/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-php@v14.10.0...v15.0.0)

---
updated-dependencies:
- dependency-name: stripe/stripe-php
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -41,7 +41,7 @@
         "slim/slim": "^4",
         "smarty/smarty": "^5",
         "srmklive/paypal": "^3",
-        "stripe/stripe-php": "^14",
+        "stripe/stripe-php": "^15",
         "symfony/http-client": "^7",
         "symfony/translation": "^7",
         "twig/twig": "^3",