Fedora: Flatpak ssh authentication update/install

https://github.com/flatpak/flatpak/issues/4267#issuecomment-1328540551

Arch: Install dotnet 6.0 and jupyter kernel

wget https://dot.net/v1/dotnet-install.sh
chmod +x ./dotnet-install.sh
./dotnet-install.sh --install-dir /usr/share/dotnet -channel STS -version 6.0.110
/usr/share/dotnet/dotnet tool install -g Microsoft.dotnet-interactive
/usr/share/dotnet/dotnet interactive jupyter install
Also add `/usr/share/dotnet` to `PATH`.
https://github.com/dotnet/interactive/blob/main/docs/NotebookswithJupyter.md
https://dotnet.microsoft.com/en-us/download/dotnet/6.0