Bump System.Net.Http from 4.3.0 to 4.3.4 (#1467)

---
updated-dependencies:
- dependency-name: System.Net.Http
  dependency-version: 4.3.4
  dependency-type: direct:production
...

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examples-Aspire/AspireApp1.Tests/AspireApp1.Tests.csproj

@@ -12,6 +12,7 @@
     <PackageReference Include="Aspire.Hosting.Testing" Version="13.1.0" />
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="xunit" Version="2.5.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
   </ItemGroup>