Add DiagnosticSource 6.0.0 to MTP telemetry by @Youssef1313 in #6638 (backport to rel/3.11) (#6639)

Co-authored-by: Youssef Victor <youssefvictor00@gmail.com>

Author: youssef-backport-bot

Directory.Packages.props

@@ -38,7 +38,12 @@
     <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
   </ItemGroup>
   <ItemGroup Label="Product dependencies">
+    <!-- If this gets updated, please revise if the explicit dependency on System.Diagnostics.DiagnosticSource is still needed -->
     <PackageVersion Include="Microsoft.ApplicationInsights" Version="2.23.0" />
+
+    <!-- This comes transitvely via Microsoft.ApplicationInsights, but we want to upgrade it because 5.0.0 is not maintained -->
+    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="6.0.0" />
+
     <PackageVersion Include="Microsoft.Build.Framework" Version="$(MicrosoftBuildVersion)" />
     <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="$(MicrosoftBuildVersion)" />
     <PackageVersion Include="Microsoft.CodeAnalysis" Version="$(MicrosoftCodeAnalysisVersion)" />

src/Platform/Microsoft.Testing.Extensions.Telemetry/Microsoft.Testing.Extensions.Telemetry.csproj

@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;$(MicrosoftTestingTargetFrameworks)</TargetFrameworks>
+    <NoWarn>$(NoWarn);NU1510</NoWarn>
   </PropertyGroup>
 
   <!-- NuGet properties -->
@@ -42,6 +43,10 @@ This package provides telemetry for the platform.]]>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.ApplicationInsights" />
+
+    <!-- Microsoft.ApplicationInsights already has a dependency on DiagnosticSource. But we want to update the dependency to 6.0.0 instead of 5.0.0 -->
+    <!-- This is because System.Diagnostics.DiagnosticSource is marked as not maintained -->
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" />
   </ItemGroup>
 
   <ItemGroup>