chore(deps): update dependency splat.serilog to v19

Author: renovate[bot]

Directory.Packages.props

@@ -15,7 +15,7 @@
     <PackageVersion Include="Serilog.Extensions.Logging" Version="10.0.0" />
     <PackageVersion Include="Serilog.Sinks.Async" Version="2.1.0" />
     <PackageVersion Include="Serilog.Sinks.Debug" Version="3.0.0" />
-    <PackageVersion Include="Splat.Serilog" Version="17.2.1" />
+    <PackageVersion Include="Splat.Serilog" Version="19.2.1" />
     <PackageVersion Include="Volo.Abp.Core" Version="10.0.3" />
     <PackageVersion Include="Volo.Abp.Autofac" Version="10.0.3" />
     <PackageVersion Include="Volo.Abp.Ddd.Application" Version="10.0.3" />