chore(deps): bump stripe from 8.6.0 to 9.0.0

Bumps [stripe](https://github.com/stripe/stripe-ruby) from 8.6.0 to 9.0.0.
- [Release notes](https://github.com/stripe/stripe-ruby/releases)
- [Changelog](https://github.com/stripe/stripe-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/stripe/stripe-ruby/compare/v8.6.0...v9.0.0)

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

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

Gemfile.lock

@@ -708,7 +708,7 @@ GEM
     stimulus_reflex_testing (0.3.0)
       stimulus_reflex (>= 3.3.0)
     stringex (2.8.6)
-    stripe (8.6.0)
+    stripe (9.0.0)
     swd (1.3.0)
       activesupport (>= 3)
       attr_required (>= 0.0.5)