[Image Update] Update dotnet

[surajssd]

Which image would you like to change?

Base image.

What changes are you requesting?

Update to version 9 or 10.

CloudShell/linux/base.Dockerfile

Lines 44 to 45 in 5752214

	dotnet-runtime-8.0 \
	dotnet-sdk-8.0 \

Package information is here: https://packages.microsoft.com/azurelinux/3.0/prod/ms-oss/x86_64/Packages/d/

[kartikjoshi21]

Upgrading to 9.0 as 10.0 is still in preview

CloudShell/ kartikjoshi21/update-dotnet > docker run -it --rm base_cloudshell:latest /bin/bash
root [ / ]# dotnet info

Welcome to .NET 9.0!
---------------------
SDK Version: 9.0.203

Telemetry
---------
The .NET tools collect usage data in order to help us improve your experience. It is collected by Microsoft and shared with the community. You can opt-out of telemetry by setting the DOTNET_CLI_TELEMETRY_OPTOUT environment variable to '1' or 'true' using your favorite shell.

Read more about .NET CLI Tools telemetry: https://aka.ms/dotnet-cli-telemetry

----------------
Installed an ASP.NET Core HTTPS development certificate.
To trust the certificate, run 'dotnet dev-certs https --trust'
Learn about HTTPS: https://aka.ms/dotnet-https

----------------
Write your first app: https://aka.ms/dotnet-hello-world
Find out what's new: https://aka.ms/dotnet-whats-new
Explore documentation: https://aka.ms/dotnet-docs
Report issues and find source on GitHub: https://github.com/dotnet/core
Use 'dotnet --help' to see available commands or visit: https://aka.ms/dotnet-cli
--------------------------------------------------------------------------------------
Could not execute because the specified command or file was not found.
Possible reasons for this include:
  * You misspelled a built-in dotnet command.
  * You intended to execute a .NET program, but dotnet-info does not exist.
  * You intended to run a global tool, but a dotnet-prefixed executable with this name could not be found on the PATH.