[main] Source-build is failing in `mono` legs

[NikolaMilosavljevic]

Full log: https://dev.azure.com/dnceng/internal/_build/results?buildId=2645792&view=logs&j=a5ccaa14-6811-5159-45fe-06b91679b5f1&t=18d70239-5563-5057-94c9-91c2929c4241

    /__w/_temp/dotnet-sources/src/sdk/src/Installer/redist-installer/redist-installer.csproj : error NU1102: Unable to find package microsoft.netcore.app.crossgen2.centos.9-x64 with version (= 10.0.0-preview.2.25114.1) [/__w/_temp/dotnet-sources/src/sdk/source-build.slnf]
    /__w/_temp/dotnet-sources/src/sdk/src/Installer/redist-installer/redist-installer.csproj : error NU1102:   - Found 1 version(s) in previously-source-built [ Nearest version: 10.0.0-preview.2.25111.15 ] [/__w/_temp/dotnet-sources/src/sdk/source-build.slnf]
    /__w/_temp/dotnet-sources/src/sdk/src/Installer/redist-installer/redist-installer.csproj : error NU1102:   - Versions from prebuilt were not considered [/__w/_temp/dotnet-sources/src/sdk/source-build.slnf]
    /__w/_temp/dotnet-sources/src/sdk/src/Installer/redist-installer/redist-installer.csproj : error NU1102:   - Versions from reference-packages were not considered [/__w/_temp/dotnet-sources/src/sdk/source-build.slnf]

It's possible that this will be fixed with dotnet/sdk#46944

@ViktorHofer

[NikolaMilosavljevic]

This was fixed last week.