Bump ReactiveUIVersion from 19.5.72 to 19.6.1

Bumps `ReactiveUIVersion` from 19.5.72 to 19.6.1.

Updates `ReactiveUI` from 19.5.72 to 19.6.1
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](reactiveui/ReactiveUI@19.5.72...19.6.1)

Updates `ReactiveUI.WPF` from 19.5.72 to 19.6.1
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](reactiveui/ReactiveUI@19.5.72...19.6.1)

Updates `ReactiveUI.XamForms` from 19.5.72 to 19.6.1
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](reactiveui/ReactiveUI@19.5.72...19.6.1)

Updates `ReactiveUI.Maui` from 19.5.72 to 19.6.1
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](reactiveui/ReactiveUI@19.5.72...19.6.1)

Updates `ReactiveUI.WinForms` from 19.5.72 to 19.6.1
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](reactiveui/ReactiveUI@19.5.72...19.6.1)

---
updated-dependencies:
- dependency-name: ReactiveUI
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: ReactiveUI.WPF
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: ReactiveUI.XamForms
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: ReactiveUI.Maui
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: ReactiveUI.WinForms
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Build.props

@@ -30,7 +30,7 @@
     <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
     <IncludePackageReferencesDuringMarkupCompilation>true</IncludePackageReferencesDuringMarkupCompilation>
     <AvaloniaVersion>11.0.10</AvaloniaVersion>
-    <ReactiveUIVersion>19.5.72</ReactiveUIVersion>
+    <ReactiveUIVersion>19.6.1</ReactiveUIVersion>
     <CrissCrossCoreTargetFrameworks>netstandard2.0;net6.0;net7.0;net8.0</CrissCrossCoreTargetFrameworks>
     <CrissCrossWinTargetFrameworks>net462;net472;net48;net6.0-windows10.0.17763.0;net7.0-windows10.0.17763.0;net8.0-windows10.0.17763.0</CrissCrossWinTargetFrameworks>
     <CrissCrossWebviewTargetFrameworks>net462;net472;net48;net6.0-windows;net7.0-windows;net8.0-windows</CrissCrossWebviewTargetFrameworks>