Bump Microsoft.Identity.Client from 4.5.1 to 4.6.0
Bump Microsoft.Identity.Client from 4.5.1 to 4.6.0

Bumps [Microsoft.Identity.Client](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet) from 4.5.1 to 4.6.0.
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/releases)
- [Changelog](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/blob/master/changelog.txt)
- [Commits](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/compare/4.5.1...4.6)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
onovotny/SignService,onovotny/SignService,onovotny/SignService