Fix sign check - most likely cause of failing official builds - small typo in #10340: need to find .cab files _below_ `$(TargetDir)`
Fix sign check
- most likely cause of failing official builds
- small typo in #10340: need to find .cab files _below_ `$(TargetDir)`

aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore