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

Author: renovate[bot]

tests/Prometheus.Client.AspNetCore.Tests.csproj

@@ -19,7 +19,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\src\Prometheus.Client.AspNetCore.csproj" />