Cannot install dotnet6 using documented instructions

[bekir-ozturk]

Issue description

I have a fresh VM from Azure, containing "Ubuntu Server 22.04 LTS" image provided by Canonical. As instructed, I try the following command.

sudo apt-get update && sudo apt-get install -y dotnet6

Expected: .NET 6 installs successfully.

Actual: Command fails with the following error:

Hit:1 http://azure.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://azure.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:3 http://azure.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:4 http://azure.archive.ubuntu.com/ubuntu focal-security InRelease
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package dotnet6

OS: Ubuntu 20.04.5 LTS (GNU/Linux 5.15.0-1019-azure x86_64)