build: bump System.Threading.Tasks.Extensions to 4.6.0 (Azure#53328)

Author: jorgerangel-msft

eng/Packages.Data.props

@@ -98,7 +98,7 @@
     <PackageReference Update="System.Runtime.InteropServices.RuntimeInformation" Version="4.3.0" />
     <PackageReference Update="System.Security.Cryptography.Cose" Version="8.0.1" />
     <PackageReference Update="System.Threading.Channels" Version="8.0.0" />
-    <PackageReference Update="System.Threading.Tasks.Extensions" Version="4.5.4" />
+    <PackageReference Update="System.Threading.Tasks.Extensions" Version="4.6.0" />
     <PackageReference Update="System.Text.Json" Version="8.0.6" />
     <PackageReference Update="System.Text.Encodings.Web" Version="8.0.0" />
     <PackageReference Update="System.ValueTuple" Version="4.5.0" />