Bump Microsoft.VisualStudio.Threading from 16.9.54 to 16.9.60
Bump Microsoft.VisualStudio.Threading from 16.9.54 to 16.9.60

Bumps [Microsoft.VisualStudio.Threading](https://github.com/microsoft/vs-threading) from 16.9.54 to 16.9.60.
- [Release notes](https://github.com/microsoft/vs-threading/releases)
- [Commits](https://github.com/microsoft/vs-threading/commits/v16.9.60)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Serg046/MsBuildTaskExplorer