Updated to dotnet and efcore 8

Author: koenbeuk

Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
 
   <PropertyGroup>
-	<TargetFramework>net6.0</TargetFramework>
+	<TargetFramework>net8.0</TargetFramework>
 	<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
 	<LangVersion>9.0</LangVersion>
 	<Nullable>enable</Nullable>

Directory.Packages.props

@@ -4,10 +4,10 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="BenchmarkDotNet" Version="0.13.12" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="6.0.0" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.InMemory" Version="6.0.0" />
-    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.0" />
-    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="1.0.0" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="8.0.0" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.1" />
+    <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.1" />
+    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageVersion Include="ScenarioTests.XUnit" Version="1.0.1" />
     <PackageVersion Include="xunit" Version="2.6.6" />