PSW link here: https://psw.codeshare.co.uk/?InstallUmbracoTemplate=true&UmbracoTemplateVersion=10.3.0-rc&Packages=&UserEmail=admin%40example.com&ProjectName=MyProject&CreateSolutionFile=true&SolutionName=MySolution&UseUnattendedInstall=true&DatabaseType=SQLite&UserPassword=1234567890&UserFriendlyName=Administrator&IncludeStarterKit=true&StarterKitPackage=clean Installs the correct version for you so you can test it out.

# Ensure we have the latest Umbraco templates
dotnet new -i Umbraco.Templates::10.3.0-rc

# Create solution/project
dotnet new sln --name "MySolution"
dotnet new umbraco -n "MyProject" --friendly-name "Administrator" --email "admin@example.com" --password "1234567890" --development-database-type SQLite
dotnet sln add "MyProject"

#Add starter kit
dotnet add "MyProject" package clean

dotnet run --project "MyProject"
#Running