Bump stripe from 9.16.0 to 15.11.0

Bumps [stripe](https://github.com/stripe/stripe-node) from 9.16.0 to 15.11.0.
- [Release notes](https://github.com/stripe/stripe-node/releases)
- [Changelog](https://github.com/stripe/stripe-node/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-node@v9.16.0...v15.11.0)

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

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

package.json

@@ -57,7 +57,7 @@
     "request": "^2.88.2",
     "simple-vdf": "^1.1.1",
     "steam-user": "^5.0.4",
-    "stripe": "^9.12.0",
+    "stripe": "^15.11.0",
     "uuid": "^9.0.1",
     "ws": "^8.16.0"
   },