Bump Serilog.Settings.Configuration from 8.0.4 to 9.0.0

Bumps [Serilog.Settings.Configuration](https://github.com/serilog/serilog-settings-configuration) from 8.0.4 to 9.0.0.
- [Release notes](https://github.com/serilog/serilog-settings-configuration/releases)
- [Changelog](https://github.com/serilog/serilog-settings-configuration/blob/dev/CHANGES.md)
- [Commits](serilog/serilog-settings-configuration@v8.0.4...v9.0.0)

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

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

sample/Serilog.Sinks.Grafana.Loki.SampleWebApp/Serilog.Sinks.Grafana.Loki.SampleWebApp.csproj

@@ -9,7 +9,7 @@
     <ItemGroup>
         <PackageReference Include="Serilog.AspNetCore" Version="8.0.3" />
         <PackageReference Include="Serilog.Enrichers.Thread" Version="3.1.0" />
-        <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
+        <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
     </ItemGroup>
 
     <ItemGroup>