Update nvidia-developer-driver to 455.50.07

Summary:
Update nvidia-developer-driver to 455.50.07

Changes:

• New extension: VK_KHR_synchronization2
• Fixed handling of VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT for variable size descriptor bindings

Test Plan: Rebooted, launched Steam and played the free DXVK game "b"

Reviewers: Triage Team, JoshStrobl

Reviewed By: Triage Team, JoshStrobl

Subscribers: JoshStrobl

Differential Revision: https://dev.getsol.us/D10548