What's Changed

• Remove old dotnet-core feed by @JamesNK in https://github.com/grpc/grpc-dotnet/pull/2611
• Bump axios from 1.7.4 to 1.8.4 in /testassets/InteropTestsGrpcWebWebsite/Tests by @dependabot in https://github.com/grpc/grpc-dotnet/pull/2615
• Bump @babel/helpers from 7.25.0 to 7.27.0 in /testassets/InteropTestsGrpcWebWebsite/Tests by @dependabot in https://github.com/grpc/grpc-dotnet/pull/2616
• Bump tar-fs from 3.0.6 to 3.0.8 in /testassets/InteropTestsGrpcWebWebsite/Tests by @dependabot in https://github.com/grpc/grpc-dotnet/pull/2619
• Fix race condition that caused inprogress connect to be canceled by @JamesNK in https://github.com/grpc/grpc-dotnet/pull/2618
• Bump tools package to 2.71 by @apolcyn in https://github.com/grpc/grpc-dotnet/pull/2621
• Update NuGet package versions by @JamesNK in https://github.com/grpc/grpc-dotnet/pull/2620
• bump version to 2.71.0-pre1 by @apolcyn in https://github.com/grpc/grpc-dotnet/pull/2622

Full Changelog: https://github.com/grpc/grpc-dotnet/compare/v2.70.0...v2.71.0-pre1