Description:
Downloads and installs not needed runtime

Task version:
4.3.1

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

Repro steps:

 - name: Setup .NET
 uses: actions/setup-dotnet@v4
 with:
 dotnet-version: '9.0.203'

Expected behavior:
Tested host has .NET SDK installed:
9.0.203 [C:\Program Files\dotnet\sdk]

Either of these two runtimes on the tested host get used:
Microsoft.NETCore.App 9.0.2 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 9.0.4 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

Actual behavior:
dotnet-install: Downloaded file https://builds.dotnet.microsoft.com/dotnet/Runtime/8.0.16/dotnet-runtime-8.0.16-win-x64.zip size is 33292304 bytes.