v3.0.0 New USPS API with OAuth authentication

v3.0.0

v2.2.2 UPS Customer Classification Code

• Implemented support for the UPS Customer Classification Code

v2.2.0 Support for kg/cm UPS shipments

• Package dimensions can now be retrieved in both metric and US Customary systems.
• UPS providers use metric dimensions for shipments from outside the US.
• PackageKgCm class for shipment with metric dimensions.

v2.1.3 HttpClient as a parameter for UPS, DHL, USPS

• An instance of HttpClient can now be provided as a parameter for UPS, DHL, and USPS shipping providers in order to get a better control of HttpClient lifecycle

Addressed CVE-2024-30105

• Bump System.Text.Json from 6.0.9 to 8.0.4 for .Net6.0 and higher builds

.net6.0 dependencies

• Separate dependencies for .net6.0

UPS OAuth 2.0 Security Model

• Implement UPS OAuth 2.0 Security Model. This is a breaking change

Packing for FedEx OneRate, fix DHL test env

• Added option to set FedEx packaging when using OneRate by @khnbb
• Fixed DHL test endpoint URL

FedEx Freight Codes

• Support for FedEx Freight Codes