Also update binding versions and lock files.
Note:
- Ruby binding is not updated
- C# binding is v0.7.0. We will make it match Regorus version later.
Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>
Organize C# binding example into separate Regorus nuget package and
a test app.
The nuget package targets netstandard 2.0 and 2.1.
The test app is tested for netframework 8.0.
Implement IDisposable for Engine cleanup.
Also remove net40 example. Can be added back later if needed.
Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>