Update project to FCS 10?

[smoothdeveloper]

There are breaking changes in FCS 10 that we would like to incorporate into VFPT.

Can we consider updating FSharpLint.Core to latest FCS?

fsprojects-archive/zzarchive-VisualFSharpPowerTools#1496

[duckmatt]

Yep, just updated: https://www.nuget.org/packages/FSharpLint.Core/0.6.5-beta