actions/setup-dotnet v1.9.0

Support for installation of multiple versions, warnings for deprecated versions

on GitHub

This release includes the following PRs:

• Adding support to install multiple .NET versions in single action invocation: #240
  example:

- uses: actions/setup-dotnet@v1
  with:
    dotnet-version: | 
      3.1.x
      5.0.x

The latest installed .NET version is default, according .NET documentation.

• Adding the build warnings if the deprecated .NET versions are installed by action: #245