Update faraday-follow_redirects and unblock Ruby 4.0 (#92)

* Update faraday-follow_redirects

Update to latest and allow any v0.x versions.
This allow `onfido-ruby` to be compatible with Ruby 4.0

* Drop unnecessary faraday-follow_redirects dependency from Gemfile

Supersede to #91
---------

Co-authored-by: Thomas <thomas@brennetot.com>

Author: dvacca-onfido

Gemfile

@@ -8,5 +8,3 @@ group :development, :test do
   gem 'rubocop', '~> 0.66.0'
   gem 'rubyzip', '~> 2.3.2'
 end
-
-gem "faraday-follow_redirects", "~> 0.3.0"

onfido.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |s|
   s.metadata    = {}
 
   s.add_runtime_dependency 'faraday', '>= 1.0.1', '< 3.0'
-  s.add_runtime_dependency 'faraday-follow_redirects', '~> 0.3.0'   
+  s.add_runtime_dependency 'faraday-follow_redirects', '~> 0.5'   
   s.add_runtime_dependency 'faraday-multipart'
   s.add_runtime_dependency 'marcel'
   s.add_runtime_dependency 'openssl'