Remove duplicates packages and updating.

Terminal.Gui/Terminal.Gui.csproj

@@ -60,12 +60,6 @@
       <LastGenOutput>Strings.Designer.cs</LastGenOutput>
     </EmbeddedResource>
   </ItemGroup>
-  <!-- Enable Nuget Source Link for github -->
-  <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
-    <PackageReference Include="System.Text.Json" Version="7.0.1" />
-    <PackageReference Include="System.Management" Version="7.0.0" />
-  </ItemGroup>
   <PropertyGroup>
     <TargetFrameworks>net472;netstandard2.0;net6.0</TargetFrameworks>
     <LangVersion>9</LangVersion>

UnitTests/UnitTests.csproj

@@ -22,7 +22,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
-    <PackageReference Include="ReportGenerator" Version="5.1.17" />
+    <PackageReference Include="ReportGenerator" Version="5.1.18" />
     <PackageReference Include="System.Collections" Version="4.3.0" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">