Bump Microsoft.NET.Test.Sdk from 15.5.0 to 17.13.0#21

dependabot[bot] wants to merge 1 commit intomainmanasanttdata/DotnetGHSecTest:mainfrom

dependabot/nuget/AWSProject01/test/AWSProject01.Tests/Microsoft.NET.Test.Sdk-17.13.0manasanttdata/DotnetGHSecTest:dependabot/nuget/AWSProject01/test/AWSProject01.Tests/Microsoft.NET.Test.Sdk-17.13.0Copy head branch name to clipboard