Bump stripe from 3.3.2 to 4.5.0

Bumps [stripe](https://github.com/stripe/stripe-ruby) from 3.3.2 to 4.5.0.
- [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/v3.3.2...v4.5.0)

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

Gemfile

@@ -22,7 +22,7 @@ gem 'spree_auth_devise', github: 'openfoodfoundation/spree_auth_devise', branch:
 # - Change type of password from string to password to hide it in the form
 gem 'spree_paypal_express', github: "openfoodfoundation/better_spree_paypal_express", branch: "spree-upgrade-intermediate"
 #gem 'spree_paypal_express', github: "spree-contrib/better_spree_paypal_express", branch: "1-3-stable"
-gem 'stripe', '~> 3.3.2'
+gem 'stripe', '~> 4.5.0'
 # We need at least this version to have Digicert's root certificate
 # which is needed for Pin Payments (and possibly others).
 gem 'activemerchant', '~> 1.78'

Gemfile.lock

@@ -252,6 +252,7 @@ GEM
       compass (~> 1.0.0)
       sass-rails (< 5.1)
       sprockets (< 4.0)
+    connection_pool (2.2.2)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     css_parser (1.6.0)
@@ -540,6 +541,8 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nenv (0.3.0)
+    net-http-persistent (3.0.0)
+      connection_pool (~> 2.2)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
     notiffany (0.1.1)
@@ -716,8 +719,9 @@ GEM
       tilt (~> 1.1, != 1.3.0)
     state_machine (1.2.0)
     stringex (1.3.3)
-    stripe (3.3.2)
-      faraday (~> 0.9)
+    stripe (4.5.0)
+      faraday (~> 0.13)
+      net-http-persistent (~> 3.0)
     therubyracer (0.12.0)
       libv8 (~> 3.16.14.0)
       ref
@@ -853,7 +857,7 @@ DEPENDENCIES
   spree_paypal_express!
   spring (= 1.7.2)
   spring-commands-rspec
-  stripe (~> 3.3.2)
+  stripe (~> 4.5.0)
   therubyracer (= 0.12.0)
   timecop
   truncate_html