Add .NET 8.0 as a target framework

Author: CodingOctocat

README.md

@@ -1,7 +1,8 @@
 # WpfObservableRangeCollection
 
 [![NuGet](https://buildstats.info/nuget/WpfObservableRangeCollection?includePreReleases=true)](https://www.nuget.org/packages/WpfObservableRangeCollection/)
-[![Target framework](https://img.shields.io/badge/support-.NET_6.0--Windows-blue)](https://github.com/CodingOctocat/WpfObservableRangeCollection)
+[![Target framework](https://img.shields.io/badge/support-.NET_6.0--Windows7.0-blue)](https://github.com/CodingOctocat/WpfObservableRangeCollection)
+[![Target framework](https://img.shields.io/badge/support-.NET_8.0--Windows7.0-blue)](https://github.com/CodingOctocat/WpfObservableRangeCollection)
 [![GitHub issues](https://img.shields.io/github/issues/CodingOctocat/WpfObservableRangeCollection)](https://github.com/CodingOctocat/WpfObservableRangeCollection/issues)
 [![GitHub stars](https://img.shields.io/github/stars/CodingOctocat/WpfObservableRangeCollection)](https://github.com/CodingOctocat/WpfObservableRangeCollection/stargazers)
 [![GitHub license](https://img.shields.io/github/license/CodingOctocat/WpfObservableRangeCollection)](https://github.com/CodingOctocat/WpfObservableRangeCollection/blob/master/LICENSE)

WpfObservableRangeCollection/WpfObservableRangeCollection.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0-windows</TargetFramework>
+    <TargetFrameworks>net6.0-windows7.0;net8.0-windows7.0</TargetFrameworks>
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
     <RootNamespace>CodingNinja.Wpf.ObjectModel</RootNamespace>
@@ -14,7 +14,7 @@
     <Title>$(AssemblyName)</Title>
     <PackageTags>WpfObservableRangeCollection;ObservableRangeCollection;ObservableCollection;CollectionView;Wpf</PackageTags>
     <PackageReadmeFile>README.md</PackageReadmeFile>
-    <Version>2.2.0</Version>
+    <Version>2.2.1</Version>
     <RepositoryUrl>$(PackageProjectUrl)</RepositoryUrl>
   </PropertyGroup>