Update camera-debug, voxel-engine

deathcap/camera-debug@0a3fce5675dcb02dad791ffe6cadc2dada68aad3 Fix value call 'this' object; fixes game.cameraVector() updating
deathcap/voxel-engine@ff3d46049b57d90ea0ca9b84c9351f74bde96d0d Update to gs-fps-camera ^0.5.0, adds voxel-control/physics integration

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