Replace ffi-backed HTTP client

Gemfile

@@ -5,22 +5,24 @@ source "https://rubygems.org"
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in yookassa.gemspec
+gem "httpclient", github: "glebtv/httpclient", branch: "master"
+
 gemspec
 
 group :documentation do
-  gem "rack"
-  gem "webrick"
-  gem "yard"
+  gem "rack", "~> 3.2"
+  gem "webrick", "~> 1.9"
+  gem "yard", "~> 0.9"
 end
 
 group :development, :test do
-  gem "pry"
-  gem "pry-byebug", "~> 3.8.0"
-  gem "rake", "~> 13.0"
-  gem "rspec", "~> 3.5"
-  gem "rubocop", "~> 1.22"
+  gem "pry", "~> 0.16"
+  gem "pry-byebug", "~> 3.8"
+  gem "rake", "~> 13.4"
+  gem "rspec", "~> 3.13"
+  gem "rubocop", "~> 1.88"
   gem "rubocop-rake", "~> 0.6.0"
-  gem "rubocop-rspec", "~> 2.5"
-  gem "simplecov", "~> 0.16"
-  gem "webmock", "~> 3.14"
+  gem "rubocop-rspec", "~> 2.31"
+  gem "simplecov", "~> 0.22"
+  gem "webmock", "~> 3.26"
 end