Aravis 0.8.27 Ubuntu 20.04 Focal arm64

Packaged 0.8.27 version for Ubuntu 20.04 Focal arm64

Not tested. While packaging the last (network test) times out in docker.

# install with
wget https://github.com/Extend-Robotics/aravis/releases/download/0.8.27_focal_arm64/libaravis_0.8.27-1focal_arm64.deb
sudo apt install ./libaravis_0.8.27-1focal_arm64.deb

# remove with
sudo apt remove libaravis

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Or second build for test

# install with
wget https://github.com/Extend-Robotics/aravis/releases/download/0.8.27_focal_arm64/libaravis_0.8.27-1focal_arm64_l4t_35_4.deb
sudo apt install ./libaravis_0.8.27-1focal_arm64_l4t_35_4.deb