Update framework to .net6

Author: DiegoGalante

src/AzureDevopsTracker.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net5.0</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
     <PackageId>AzureDevOpsTracker</PackageId>
     <Authors>Elvis Souza | Diego Galante</Authors>
@@ -17,23 +17,25 @@
     <NeutralLanguage>en</NeutralLanguage>
     <PackageLicenseFile>LICENSE.md.txt</PackageLicenseFile>
     <Description>A NuGet that allows you to use a Azure DevOps Service Hook to track workitems changes in a simply and detailed way.</Description>
-    <AssemblyVersion>5.0.0.0</AssemblyVersion>
-    <FileVersion>5.0.5</FileVersion>
-    <Version>5.0.5</Version>
+    <AssemblyVersion>6.0.0.0</AssemblyVersion>
+    <FileVersion>6.0.0</FileVersion>
+    <Version>6.0.0</Version>
     <PackageReleaseNotes>Add ChangeLog Feature</PackageReleaseNotes>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.28" />
     <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
-    <PackageReference Include="System.Net.Http.Json" Version="5.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="System.Net.Http.Json" Version="6.0.1" />
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="LICENSE.md.txt">
+    <None Include="..\LICENSE.md.txt">
       <Pack>True</Pack>
       <PackagePath></PackagePath>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>