Bump stripe from 4.19.0 to 4.24.0

Bumps [stripe](https://github.com/stripe/stripe-ruby) from 4.19.0 to 4.24.0.
- [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/v4.19.0...v4.24.0)

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

Gemfile.lock

@@ -509,7 +509,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nenv (0.3.0)
-    net-http-persistent (3.0.1)
+    net-http-persistent (3.1.0)
       connection_pool (~> 2.2)
     newrelic_rpm (3.18.1.330)
     nokogiri (1.6.8.1)
@@ -698,7 +698,7 @@ GEM
       tilt (~> 1.1, != 1.3.0)
     state_machine (1.2.0)
     stringex (1.5.1)
-    stripe (4.19.0)
+    stripe (4.24.0)
       faraday (~> 0.13)
       net-http-persistent (~> 3.0)
     therubyracer (0.12.0)