Installing the Edge Browser
Installing the package will also install a source list entry which will automatically update the package to a new version with the rest of the systems updates.
Solution with a Sources-file
Add a source-list file miscrosoft-edge.sources to the directory /etc/apt/sources.list.d/.
cat <<EOD | sudo tee /etc/apt/sources.list.d/miscrosoft-edge.sources >/dev/null
Types: deb
Architectures: $(dpkg --print-architecture)
Suites: stable
Components: main
URIs: https://packages.microsoft.com/repos/edge
Signed-By:
$(wget -qO- https://packages.microsoft.com/keys/microsoft.asc | sed 's/^/ /')
EOD
Install the package.