Update .csproj files to net8.0 and adjust versions

Author: Layoric

MyApp.ServiceInterface/MyApp.ServiceInterface.csproj

@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ServiceStack" Version="6.*" />
+    <PackageReference Include="ServiceStack" Version="8.*" />
   </ItemGroup>
 
   <ItemGroup>

MyApp.ServiceModel/MyApp.ServiceModel.csproj

@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="ServiceStack.Interfaces" Version="6.*" />
+    <PackageReference Include="ServiceStack.Interfaces" Version="8.*" />
   </ItemGroup>
 
   <ItemGroup>

MyApp.Tests/MyApp.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <DebugType>portable</DebugType>
     <OutputType>Library</OutputType>
   </PropertyGroup>
@@ -13,8 +13,8 @@
     <PackageReference Include="NUnit" Version="3.13.*" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.1.*" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.*" />
-    <PackageReference Include="ServiceStack" Version="6.*" />
-    <PackageReference Include="ServiceStack.Kestrel" Version="6.*" />
+    <PackageReference Include="ServiceStack" Version="8.*" />
+    <PackageReference Include="ServiceStack.Kestrel" Version="8.*" />
   </ItemGroup>
 
 </Project>

MyApp/MyApp.csproj

@@ -1,7 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+  <PublishProfile>DefaultContainer</PublishProfile>
+    <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
@@ -19,7 +20,7 @@
   </Target>
 
   <ItemGroup>
-    <PackageReference Include="ServiceStack" Version="6.*" />
+    <PackageReference Include="ServiceStack" Version="8.*" />
   </ItemGroup>
 
   <ItemGroup>