Update Uno.SourceGeneration and Uno SourceGenerationTasks

[carlh98]

I'm submitting a...

Bug report (I searched for similar issues and did not find one)

Current behavior

Uno.SourceGeneration and Uno.SourceGenerationTasks are at version 1.30.0-dev.245 which caused package downgrade in current projects

Expected behavior

Uno.SourceGeneration and Uno SourceGenerationTasks needs to be at version 3.1.0

Environment

Nuget Package: 

Package Version(s): 

Affected platform(s): All platforms
- [ ] iOS
- [ ] Android
- [ ] WebAssembly
- [ ] Windows
- [ ] Build tasks

[carlh98]

@jeromelaban This is the issue blocking @Iguins

[carlh98]

Related : #135

[jeromelaban]

There should not be any downgrade, as those a transitive dependencies. You probably do have to specify the version explicitly in your project, as both Uno and Uno.Codegen specify a version transitively.