Update faraday dependency to support faraday 2.x

aftership.gemspec

@@ -5,7 +5,7 @@ Gem::Specification.new do |s|
   s.licenses = ['MIT']
   s.summary = 'Formerly known as aftership_ruby and a wrapper for AfterShip API. Support the latest V3/V4 API'
   s.description = 'Developed for easy integration with AfterShip'
-  s.required_ruby_version = '>= 2.3.0'
+  s.required_ruby_version = '>= 2.6'
 
   s.author = ['AfterShip Limited']
   s.email = ['[email protected]']
@@ -15,8 +15,7 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
   s.requirements << 'none'
 
-  s.add_dependency 'faraday', '~> 1.0', '>= 1.0.1'
-  s.add_dependency 'faraday_middleware', '~> 1.0'
+  s.add_dependency 'faraday', '>= 2.0.0'
 
   s.add_development_dependency 'pry'
   s.add_development_dependency 'rspec', '~> 2.14.1'

lib/aftership/v4/base.rb

@@ -1,5 +1,4 @@
 require 'faraday'
-require 'faraday_middleware'
 
 module AfterShip
   module V4

spec/base_v4_spec.rb

@@ -1,14 +1,14 @@
 require 'spec_helper'
 
 describe AfterShip::V4::Base do
-  let(:http_verb_method) { 'get' }
+  let(:http_verb_method) { :get }
   let(:end_point)        { 'trackings' }
-  let(:params)           { { courier: 'usps' } }
+  let(:query)           { { courier: 'usps' } }
   let(:body)             { { emails: ['[email protected]'] } }
-  subject                { described_class.new(http_verb_method, end_point, params, body) }
+  subject                { described_class.new(http_verb_method, end_point, query, body) }
 
   its(:body)             { should(eq(body)) }
-  its(:params)           { should(eq(params)) }
+  its(:query)           { should(eq(query)) }
   its(:end_point)        { should(eq(end_point)) }
   its(:http_verb_method) { should(eq(http_verb_method)) }
 
@@ -24,7 +24,7 @@
       #HTTPI.logger.should_receive(:warn).with("the emails field should be an array").once
       #HTTPI.logger.should_receive(:warn).with('the smses field should be an array').once
 
-      #HTTPI.should_receive(:send).with(:get, kind_of(HTTPI::Request)).and_return(response)
+      # HTTPI.should_receive(:send).with(:get, kind_of(HTTPI::Request)).and_return(response)
       subject.call
     end