chore(deps): update dependency serilog.settings.configuration to v9

Author: renovate[bot]

Doppler.HtmlEditorApi/Doppler.HtmlEditorApi.csproj

@@ -13,7 +13,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="7.0.20" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.22.1" />
     <PackageReference Include="Serilog.Extensions.Hosting" Version="8.0.0" />
-    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
     <PackageReference Include="Serilog.Sinks.Async" Version="2.1.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="Serilog.Sinks.Debug" Version="3.0.0" />