chore(deps): update dependency prometheus.client.metricpusher to 3.2.0 (#88)

Author: renovate[bot]

src/Prometheus.Client.MetricPusher.HostedService.csproj

@@ -6,7 +6,7 @@
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Prometheus.Client.MetricPusher" Version="3.1.0" />
+    <PackageReference Include="Prometheus.Client.MetricPusher" Version="3.2.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="6.0.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="6.0.0" />
   </ItemGroup>