Update dotnet monorepo to v9

Author: renovate[bot]

Jellyfin.Windows.Tray/Jellyfin.Windows.Tray.csproj

@@ -39,9 +39,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Management" Version="8.0.0" />
-    <PackageReference Include="System.Resources.Extensions" Version="8.0.0" />
-    <PackageReference Include="System.ServiceProcess.ServiceController" Version="8.0.0" />
+    <PackageReference Include="System.Management" Version="9.0.3" />
+    <PackageReference Include="System.Resources.Extensions" Version="9.0.3" />
+    <PackageReference Include="System.ServiceProcess.ServiceController" Version="9.0.3" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">