Bump tensorflow-gpu from 1.13.1 to 2.6.4 in /demos/YOLOv3#23

dependabot[bot] wants to merge 1 commit intomasterAlbertoSabater/Robust-and-efficient-post-processing-for-video-object-detection:masterfrom

dependabot/pip/demos/YOLOv3/tensorflow-gpu-2.6.4AlbertoSabater/Robust-and-efficient-post-processing-for-video-object-detection:dependabot/pip/demos/YOLOv3/tensorflow-gpu-2.6.4Copy head branch name to clipboard