CS: GO update from 12/21/2019 (v1.37.3.5)

Changelog:

[ Misc ]

• Added new first-person sleeve models for agents;
• Team-only votes now need to be resolved before server-wide votes can be initiated;
• Updated Steam dedicated server binaries to the latest version.

[ Maps ]

• Jungle
  • Optimizations;
  • Fixed various minor visual bugs;
  • Fixed a bug where it was possible to go under terrain.