chore: Updated System.Text.Json to 8.0.4 (#1846)

Updated System.Text.Json to 8.0.4 to address
GHSA-hh2w-p6rv-4g7w. This will fix CG
issue https://dev.azure.com/mseng/1ES/_workitems/edit/2195381
Along with this updated its root dependencies to latest.

src/AccessibilityInsights.Extensions.AzureDevOps/Extensions.AzureDevOps.csproj

@@ -24,19 +24,20 @@
   <ItemGroup>
     <PackageReference Include="HtmlAgilityPack" Version="1.11.61" />
     <PackageReference Include="Microsoft.Identity.Client" Version="4.61.3" />
-    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="7.5.2" />
-    <PackageReference Include="Microsoft.IdentityModel.Logging" Version="7.5.2" />
-    <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="7.5.2" />
+    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="7.6.3" />
+    <PackageReference Include="Microsoft.IdentityModel.Logging" Version="7.6.3" />
+    <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="7.6.3" />
     <PackageReference Include="Microsoft.TeamFoundationServer.Client" Version="19.227.0-preview" />
     <PackageReference Include="Microsoft.VisualStudio.Services.Client" Version="19.227.0-preview" />
     <PackageReference Include="Microsoft.VisualStudio.Services.InteractiveClient" Version="19.227.0-preview" />
     <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.2478.35" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="System.Buffers" Version="4.5.1" />
-    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.5.2" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="7.6.3" />
     <PackageReference Include="System.Memory" Version="4.5.5" />
     <PackageReference Include="System.Numerics.Vectors" Version="4.5.0" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+    <PackageReference Include="System.Text.Json" Version="8.0.4" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
     <ProjectReference Include="..\AccessibilityInsights.CommonUxComponents\CommonUxComponents.csproj" />
     <ProjectReference Include="..\AccessibilityInsights.Extensions\Extensions.csproj" />