Revert net8 and net9

Author: devlead

src/DPI/DPI.csproj

@@ -16,8 +16,8 @@
     <PackageReference Include="Cake.Core" Version="6.1.0" />
     <PackageReference Include="Cake.Common" Version="6.1.0" />
     <PackageReference Include="Cake.Bridge.DependencyInjection" Version="2026.3.2.498" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.5 " Condition="'$(TargetFramework)' == 'net8.0'" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.5" Condition="'$(TargetFramework)' == 'net9.0'" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.1 " Condition="'$(TargetFramework)' == 'net8.0'" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.14" Condition="'$(TargetFramework)' == 'net9.0'" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.5" Condition="'$(TargetFramework)' == 'net10.0'" />
   </ItemGroup>