20210922

This is an 🚨 emergency bugfix release.

• Added contrast to the bridge endings.
• Fixed AA tank tech to get captured through the factory.
• Fixed all faction vehicles shown on the queue.
• Added new map Cold Rage.
• Fixed a crash when bots order air strikes.
• Fixed logo size to match the UI.
• Added walkie-talkie effects to the unit sounds.
• Added normalization to all sound effects.
• Added a custom window title.

Based on a development snapshot of @OpenRA.