Steps to reproduce

From a Debian 10 machine:

1. execute the following command
   wget https://aka.ms/install-powershell.sh; sudo bash install-powershell.sh -preview; rm install-powershell.sh

2. See that installation will fail on execution of the following script in this project repo:
   tools/installpsh-debian.sh

Line 189 has not been updated to reflect the new support for Debian 10.

Expected behavior

Install script should execute and install PowerShell on Debian 10

Actual behavior

Script fails with the following error message

(23) Failed writing body
ERROR: unsupported Debian version (10).
Supported versions: 8, 9.
For additional versions open an issue or pull request at: https://github.com/powershell/powershell

Environment data

Distro: Debian 10.

I have a fix tested and ready to go. Creating this issue to have something to reference in the Pull Request.