Bump stripe from 3.5.0 to 12.3.0

Bumps [stripe](https://github.com/stripe/stripe-python) from 3.5.0 to 12.3.0.
- [Release notes](https://github.com/stripe/stripe-python/releases)
- [Changelog](https://github.com/stripe/stripe-python/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-python@v3.5.0...v12.3.0)

---
updated-dependencies:
- dependency-name: stripe
  dependency-version: 12.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
     "wiki~=0.11",
     "django-js-reverse~=0.10",
     "pyyaml~=6.0",
-    "stripe~=3.5",
+    "stripe~=12.3",
     "pywebpush~=2.0.0",
     "sentry-sdk[django]~=2.13",
     "psycopg2-binary~=2.9",