chore(deps): bump stripe from 16.8.0 to 16.12.0 (#375)

Bumps [stripe](https://github.com/stripe/stripe-node) from 16.8.0 to 16.12.0.
- [Release notes](https://github.com/stripe/stripe-node/releases)
- [Changelog](https://github.com/stripe/stripe-node/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-node@v16.8.0...v16.12.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -52,7 +52,7 @@
     "pdf-generator-client": "github:GEWIS/pdf-generator#04e040b",
     "reflect-metadata": "^0.2.2",
     "sqlite3": "^5.1.7",
-    "stripe": "^16.1.0",
+    "stripe": "^16.12.0",
     "swagger-model-validator": "^3.0.21",
     "swagger-ui-express": "^5.0.1",
     "typeorm": "^0.3.20",