Bump dotnet monorepo to v9

Author: renovate[bot]

src/Prometheus.Client.MetricPusher.HostedService.csproj

@@ -9,11 +9,11 @@
     <PackageReference Include="Prometheus.Client.MetricPusher" Version="3.3.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net462' OR '$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="3.1.32 " />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.32" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="9.0.5 " />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.5" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="8.0.1" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.5" />
   </ItemGroup>
 </Project>

tests/Prometheus.Client.MetricPusher.HostedService.Tests.csproj

@@ -8,7 +8,7 @@
     <PackageReference Include="FluentAssertions" Version="8.3.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageReference Include="NSubstitute" Version="5.3.0" />
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.5" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.*">
       <PrivateAssets>all</PrivateAssets>