chore(deps): update dependency microsoft.extensions.http to v9

Author: renovate[bot]

Adyen/Adyen.csproj

@@ -36,7 +36,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.6" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />