Bump stripe from 4.5.0 to 4.6.0 (#3014)

* Bump bundler-audit from 0.6.0 to 0.6.1 (#3007)

Bumps [bundler-audit](https://github.com/postmodern/bundler-audit) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/postmodern/bundler-audit/releases)
- [Changelog](https://github.com/rubysec/bundler-audit/blob/master/ChangeLog.md)
- [Commits](rubysec/bundler-audit@v0.6.0...v0.6.1)

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

* Bump brakeman from 4.3.1 to 4.4.0 (#3006)

Bumps [brakeman](https://github.com/presidentbeef/brakeman) from 4.3.1 to 4.4.0.
- [Release notes](https://github.com/presidentbeef/brakeman/releases)
- [Changelog](https://github.com/presidentbeef/brakeman/blob/master/CHANGES.md)
- [Commits](presidentbeef/brakeman@v4.3.1...v4.4.0)

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

* Bump grape from 1.2.2 to 1.2.3 (#3005)

Bumps [grape](https://github.com/ruby-grape/grape) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/ruby-grape/grape/releases)
- [Changelog](https://github.com/ruby-grape/grape/blob/master/CHANGELOG.md)
- [Commits](ruby-grape/grape@v1.2.2...v1.2.3)

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

* Bump kramdown from 1.17.0 to 2.0.0 (#3011)

Bumps [kramdown](https://github.com/gettalong/kramdown) from 1.17.0 to 2.0.0.
- [Release notes](https://github.com/gettalong/kramdown/releases)
- [Changelog](https://github.com/gettalong/kramdown/blob/master/doc/news.page)
- [Commits](https://github.com/gettalong/kramdown/commits)

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

* Bump stripe from 4.5.0 to 4.6.0

Bumps [stripe](https://github.com/stripe/stripe-ruby) from 4.5.0 to 4.6.0.
- [Release notes](https://github.com/stripe/stripe-ruby/releases)
- [Changelog](https://github.com/stripe/stripe-ruby/blob/master/CHANGELOG.md)
- [Commits](stripe/stripe-ruby@v4.5.0...v4.6.0)

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

Gemfile.lock

@@ -620,7 +620,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    stripe (4.5.0)
+    stripe (4.6.0)
       faraday (~> 0.13)
       net-http-persistent (~> 3.0)
     stripe-ruby-mock (2.5.6)