Bump Serilog from 3.1.1 to 4.0.0 in /Analogy.LogViewer.Serilog.Sinks

Bumps [Serilog](https://github.com/serilog/serilog) from 3.1.1 to 4.0.0.
- [Release notes](https://github.com/serilog/serilog/releases)
- [Commits](serilog/serilog@v3.1.1...v4.0.0)

---
updated-dependencies:
- dependency-name: Serilog
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Analogy.LogViewer.Serilog.Sinks/Analogy.LogViewer.Serilog.Sinks.csproj

@@ -20,6 +20,6 @@
 	</ItemGroup>
 	<ItemGroup>
 		<PackageReference Include="Analogy.LogServer.Clients" Version="6.0.0" />
-		<PackageReference Include="Serilog" Version="3.1.1" />
+		<PackageReference Include="Serilog" Version="4.0.0" />
 	</ItemGroup>
 </Project>