chore(deps): update dependency reactive.wasm to v2 (#3758)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [Reactive.Wasm](https://togithub.com/reactiveui/Reactive.Wasm) |
`1.2.2` -> `2.1.2` |
[![age](https://developer.mend.io/api/mc/badges/age/nuget/Reactive.Wasm/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/nuget/Reactive.Wasm/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/nuget/Reactive.Wasm/1.2.2/2.1.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

---

### Release Notes

<details>
<summary>reactiveui/Reactive.Wasm (Reactive.Wasm)</summary>

###
[`v2.1.2`](https://togithub.com/reactiveui/Reactive.Wasm/releases/tag/2.1.2)

[Compare
Source](https://togithub.com/reactiveui/Reactive.Wasm/compare/1.2.2...2.1.2)

#### Other:

-
[`77ff67f`](https://togithub.com/reactiveui/Reactive.Wasm/commit/77ff67f0fe73804b42b9617d1f2334d6c28908e5)
Update version.json
[@&#8203;glennawatson](https://togithub.com/glennawatson)

</details>

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src/Directory.Packages.props

@@ -26,7 +26,7 @@
     <PackageVersion Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.77" />
     <PackageVersion Include="Nerdbank.GitVersioning" Version="3.6.133" />
     <PackageVersion Include="PublicApiGenerator" Version="11.1.0" />
-    <PackageVersion Include="Reactive.Wasm" Version="1.2.2" />
+    <PackageVersion Include="Reactive.Wasm" Version="2.1.2" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.10.0" />
     <PackageVersion Include="Splat" Version="$(SplatVersion)" />
     <PackageVersion Include="Splat.Autofac" Version="$(SplatVersion)" />