Update dependency Serilog to 4.3.1

Author: dependencyupdates[bot]

src/ServiceInsight/ServiceInsight.csproj

@@ -56,7 +56,7 @@
     <PackageReference Include="Rx-Linq" Version="2.2.5" />
     <PackageReference Include="Rx-PlatformServices" Version="2.2.5" />
     <PackageReference Include="Rx-XAML" Version="2.2.5" />
-    <PackageReference Include="Serilog" Version="4.0.0" />
+    <PackageReference Include="Serilog" Version="4.3.1" />
     <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="Serilog.Sinks.Observable" Version="3.0.0" />
     <PackageReference Include="Serilog.Sinks.Trace" Version="4.0.0" />