Bump stripe/stripe-php from 13.14.0 to 13.15.0

Bumps [stripe/stripe-php](https://github.com/stripe/stripe-php) from 13.14.0 to 13.15.0.
- [Release notes](https://github.com/stripe/stripe-php/releases)
- [Changelog](https://github.com/stripe/stripe-php/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stripe/stripe-php/compare/v13.14.0...v13.15.0)

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

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

composer.lock

@@ -4057,16 +4057,16 @@
         },
         {
             "name": "stripe/stripe-php",
-            "version": "v13.14.0",
+            "version": "v13.15.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/stripe/stripe-php.git",
-                "reference": "d569265e79dc82329dadea1b1088a0a29c7a8a76"
+                "reference": "22963c3596eb198e3dd56fbd95d7de9bc4d44f8f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/stripe/stripe-php/zipball/d569265e79dc82329dadea1b1088a0a29c7a8a76",
+                "url": "https://api.github.com/repos/stripe/stripe-php/zipball/22963c3596eb198e3dd56fbd95d7de9bc4d44f8f",
-                "reference": "d569265e79dc82329dadea1b1088a0a29c7a8a76",
+                "reference": "22963c3596eb198e3dd56fbd95d7de9bc4d44f8f",
                 "shasum": ""
             },
             "require": {
@@ -4110,9 +4110,9 @@
             ],
             "support": {
                 "issues": "https://github.com/stripe/stripe-php/issues",
-                "source": "https://github.com/stripe/stripe-php/tree/v13.14.0"
+                "source": "https://github.com/stripe/stripe-php/tree/v13.15.0"
             },
-            "time": "2024-03-14T21:12:02+00:00"
+            "time": "2024-03-21T21:05:10+00:00"
         },
         {
             "name": "symfony/console",