Bump Serilog.AspNetCore from 3.2.0 to 3.4.0

Bumps [Serilog.AspNetCore](https://github.com/serilog/serilog-aspnetcore) from 3.2.0 to 3.4.0.
- [Release notes](https://github.com/serilog/serilog-aspnetcore/releases)
- [Commits](https://github.com/serilog/serilog-aspnetcore/compare/v3.2.0...v3.4.0)

Signed-off-by: dependabot[bot] <support@github.com>

Jellyfin.Server/Jellyfin.Server.csproj

@@ -45,7 +45,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.6" />
     <PackageReference Include="prometheus-net" Version="3.6.0" />
     <PackageReference Include="prometheus-net.AspNetCore" Version="3.6.0" />
-    <PackageReference Include="Serilog.AspNetCore" Version="3.2.0" />
+    <PackageReference Include="Serilog.AspNetCore" Version="3.4.0" />
     <PackageReference Include="Serilog.Enrichers.Thread" Version="3.1.0" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="3.1.0" />
     <PackageReference Include="Serilog.Sinks.Async" Version="1.4.0" />