rename to SANDBOX_API_KEY env variable

Author: thdaraujo

README.md

@@ -38,7 +38,7 @@ require 'patch_ruby'
 
 Patch.configure do |config|
   # Configure the Patch gem with your API key here
-  config.access_token = ENV['PATCH_RUBY_API_KEY']
+  config.access_token = ENV['SANDBOX_API_KEY']
 end
 ```
 
@@ -161,7 +161,7 @@ $ bundle install
 
 Set up required environment variables:
 ```
-$ export PATCH_RUBY_API_KEY=<SANDBOX API KEY>
+$ export SANDBOX_API_KEY=<SANDBOX API KEY>
 ```
 
 Run tests:

spec/integration/estimates_spec.rb

@@ -1,7 +1,7 @@
 RSpec.describe 'Estimates Integration' do
   before do
     Patch.configure do |config|
-      config.access_token = ENV['PATCH_RUBY_API_KEY']
+      config.access_token = ENV['SANDBOX_API_KEY']
     end
   end
 

spec/integration/orders_spec.rb

@@ -1,7 +1,7 @@
 RSpec.describe 'Orders Integration' do
   before do
     Patch.configure do |config|
-      config.access_token = ENV['PATCH_RUBY_API_KEY']
+      config.access_token = ENV['SANDBOX_API_KEY']
     end
   end
 

spec/integration/preferences_spec.rb

@@ -1,7 +1,7 @@
 RSpec.describe 'Preferences Integration' do
   before do
     Patch.configure do |config|
-      config.access_token = ENV['PATCH_RUBY_API_KEY']
+      config.access_token = ENV['SANDBOX_API_KEY']
     end
   end
 

spec/integration/projects_spec.rb

@@ -1,6 +1,6 @@
 RSpec.describe 'Projects Integration' do
   Patch.configure do |config|
-    config.access_token = ENV['PATCH_RUBY_API_KEY']
+    config.access_token = ENV['SANDBOX_API_KEY']
   end
 
   it 'supports retrieve and list' do