Updating the PreReleaseLabel name so we get official Default Interface's builds.
<!-- Packaging properties -->
<PropertyGroup>
<LicenseUrl>https://github.com/dotnet/coreclr/blob/master/LICENSE.TXT</LicenseUrl>
+ <PreReleaseLabel>dev-di</PreReleaseLabel>
<PackageDescriptionFile>$(SourceDir).nuget/descriptions.json</PackageDescriptionFile>
<PackageLicenseFile>$(ProjectDir)LICENSE.TXT</PackageLicenseFile>
<PackageThirdPartyNoticesFile>$(ProjectDir)THIRD-PARTY-NOTICES.TXT</PackageThirdPartyNoticesFile>