dep: Update dependency Microsoft.Extensions.Hosting to v7 (#198)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

NatTypeTester/NatTypeTester.csproj

@@ -15,7 +15,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="7.0.0" />
     <PackageReference Include="ModernWpfUI" Version="0.9.6" />
     <PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.2.3" PrivateAssets="all" />
     <PackageReference Include="ReactiveUI.WPF" Version="18.3.1" />