v0.0.9 changed supported .net versions

• Remove support for .NET Core 3.1
• Add support for .NET 7.0

Full Changelog: v0.0.8...v0.0.9

v0.0.8

• Fixed version number

Full Changelog: v0.0.7...v0.0.8

v0.0.6

• Add methods for castion to c# nullable to YQL Optional
• Add explicit cast operator for some types
• Tests refactoring
• Add Bool type support

Full Changelog: v0.0.5...v0.0.6