Bump to dotnet/installer/main@19943da 6.0.100-rc.1.21372.10

[dotnet-maestro]

This pull request updates the following dependencies

Coherency Updates

The following updates ensure that dependencies with a CoherentParentDependency
attribute were produced in a build used as input to the parent dependency's build.
See Dependency Description Format

• Coherency Updates:
  • Microsoft.NET.ILLink.Tasks: from 6.0.100-preview.6.21366.2 to 6.0.100-preview.6.21370.1 (parent: Microsoft.Dotnet.Sdk.Internal)
  • Microsoft.NETCore.App.Ref: from 6.0.0-rc.1.21368.1 to 6.0.0-rc.1.21372.1 (parent: Microsoft.Dotnet.Sdk.Internal)

From https://github.com/dotnet/installer

• Subscription: 6548876b-06a1-4ab6-a5a5-08d8ed868088
• Build: 20210722.10
• Date Produced: 7/22/2021 6:55 PM
• Commit: 19943da31a3470cf59f363f46956edd8a8451af8
• Branch: refs/heads/main

• Updates:
  • Microsoft.Dotnet.Sdk.Internal: from 6.0.100-rc.1.21369.3 to 6.0.100-rc.1.21372.10
  • Microsoft.NET.ILLink.Tasks: from 6.0.100-preview.6.21366.2 to 6.0.100-preview.6.21370.1
  • Microsoft.NETCore.App.Ref: from 6.0.0-rc.1.21368.1 to 6.0.0-rc.1.21372.1