chore(deps): update prometheus-net monorepo to v8.1.0

Directory.Packages.props

@@ -55,9 +55,9 @@
     <PackageVersion Include="NEbml" Version="0.11.0" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageVersion Include="PlaylistsNET" Version="1.4.0" />
-    <PackageVersion Include="prometheus-net.AspNetCore" Version="8.0.1" />
+    <PackageVersion Include="prometheus-net.AspNetCore" Version="8.1.0" />
     <PackageVersion Include="prometheus-net.DotNetRuntime" Version="4.4.0" />
-    <PackageVersion Include="prometheus-net" Version="8.0.1" />
+    <PackageVersion Include="prometheus-net" Version="8.1.0" />
     <PackageVersion Include="Serilog.AspNetCore" Version="7.0.0" />
     <PackageVersion Include="Serilog.Enrichers.Thread" Version="3.1.0" />
     <PackageVersion Include="Serilog.Settings.Configuration" Version="7.0.1" />