Bump stripe from 12.6.0 to 13.2.0

Bumps [stripe](https://github.com/stripe/stripe-ruby) from 12.6.0 to 13.2.0.
- [Release notes](https://github.com/stripe/stripe-ruby/releases)
- [Changelog](https://github.com/stripe/stripe-ruby/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-ruby@v12.6.0...v13.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -751,7 +751,7 @@ GEM
     stringio (3.1.2)
     strip_attributes (1.14.0)
       activemodel (>= 3.0, < 9.0)
-    stripe (12.6.0)
+    stripe (13.2.0)
     superconfig (2.1.1)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)