Provide updated annotations to Unity

[citizenmatt]

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After every release, we should check for any changes to the JetBrains annotations, and pass these changes along to Unity, so they can include them in their next release. Currently, the annotations are out of date, without an easy way for a customer to update (e.g. the ImplicitUseTargetFlags.WithInheritors enum value isn't defined in Unity, but is understood by the ReSharper engine).

Once completing this, add a task to do the same again at the next release.

[JohannesDeml]

Is any progress happening here? I just wanted to use ImplicitUseTargetFlags.WithInheritors within a Unity project. Would be cool to see this supported :)

[cathei]

+1 for this too!