Bump Microsoft.Extensions.Configuration from 8.0.0 to 9.0.0 in /dev-proxy#937

dependabot[bot] wants to merge 1 commit intomaindotnet/dev-proxy:mainfrom

dependabot/nuget/dev-proxy/Microsoft.Extensions.Configuration-9.0.0dotnet/dev-proxy:dependabot/nuget/dev-proxy/Microsoft.Extensions.Configuration-9.0.0Copy head branch name to clipboard