Update dependency Serilog.Sinks.Graylog to v3.1.0

Directory.Packages.props

@@ -66,7 +66,7 @@
     <PackageVersion Include="Serilog.Sinks.Async" Version="1.5.0" />
     <PackageVersion Include="Serilog.Sinks.Console" Version="4.1.0" />
     <PackageVersion Include="Serilog.Sinks.File" Version="5.0.0" />
-    <PackageVersion Include="Serilog.Sinks.Graylog" Version="3.0.2" />
+    <PackageVersion Include="Serilog.Sinks.Graylog" Version="3.1.0" />
     <PackageVersion Include="SerilogAnalyzer" Version="0.15.0" />
     <PackageVersion Include="SharpFuzz" Version="2.1.1" />
     <PackageVersion Include="SkiaSharp" Version="2.88.5" />