chore(deps): bump stripe in /usage-based-subscriptions/server/node

Bumps [stripe](https://github.com/stripe/stripe-node) from 14.25.0 to 15.0.0.
- [Release notes](https://github.com/stripe/stripe-node/releases)
- [Changelog](https://github.com/stripe/stripe-node/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-node@v14.25.0...v15.0.0)

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

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

usage-based-subscriptions/server/node/package.json

@@ -15,7 +15,7 @@
     "dotenv": "^16.0.0",
     "express": "^4.17.1",
     "postcss-cli": "^10.0.0",
-    "stripe": "^14.3.0",
+    "stripe": "^15.0.0",
     "tailwindcss": "^3.0.7",
     "uuid": "^9.0.0"
   },