install a specific version of unity hub

Author: StephenHodgson

src/unity-hub.ts

@@ -412,7 +412,7 @@ wget -qO - https://hub.unity3d.com/linux/keys/public | gpg --dearmor | tee /usr/
 echo "deb [signed-by=/usr/share/keyrings/Unity_Technologies_ApS.gpg] https://hub.unity3d.com/linux/repos/deb stable main" > /etc/apt/sources.list.d/unityhub.list
 echo "deb https://archive.ubuntu.com/ubuntu jammy main universe" | tee /etc/apt/sources.list.d/jammy.list
 sudo apt-get update --allow-releaseinfo-change
-apt-get install -y --no-install-recommends unityhub ffmpeg libgtk2.0-0 libglu1-mesa libgconf-2-4 libncurses5
+apt-get install -y --no-install-recommends unityhub=3.14.3 ffmpeg libgtk2.0-0 libglu1-mesa libgconf-2-4 libncurses5
 apt-get clean
 sed -i 's/^\\(.*DISPLAY=:.*XAUTHORITY=.*\\)\\( "\\$@" \\)2>&1$/\\1\\2/' /usr/bin/xvfb-run
 printf '#!/bin/bash\nxvfb-run --auto-servernum /opt/unityhub/unityhub "$@" 2>/dev/null' | tee /usr/bin/unity-hub >/dev/null