update for Surface Hub 2S: Surface UEFI Update

This update is specific to the Surface Hub 2S and provides the driver and firmware updates outlined below:

• Surface UEFI update - 699.845.768.0
• Addresses critical security vulnerability and improves system stability.
• Adds support for an optional migration offering which, when released, will allow Surface Hub 2S devices to transition from Windows 10 Team edition to the Microsoft Teams Rooms on Windows experience. Availability of the full migration offering will be announced and released with documentation to customers at a later date.
• Surface ME Firmware update - 11.8.94.4494
• Addresses critical security vulnerability and improves system stability.
• Intel(R) Management Engine Interface driver - 2251.4.2.0
• Addresses critical security vulnerability and improves system stability.