v0.12.0

Added

• Added .NET 9.0 support
• Added use-case interfaces IMakeSharesUseCase and IReconstructUseCase to the SecretSharingDotNet project.
• Added a guide to the README.md file on how to use the use-case interfaces with dependency injection.

Changed

• Changed the Sqrt signature in the BigIntCalculator class from property to method.
• Changed method visibility from public to protected in the BigIntCalculatorand Calculator classes to restrict access.

Removed

• Removed .NET 7 support, because it retires on May 14, 2024. See .NET and .NET Core Support Policy.
• Removed .NET 6 support, because it retires on November 12, 2024. See .NET and .NET Core Support Policy.