Bump Serilog.Settings.Configuration and System.Text.Json

Bumps [Serilog.Settings.Configuration](https://github.com/serilog/serilog-settings-configuration) and [System.Text.Json](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `Serilog.Settings.Configuration` from 3.4.0 to 8.0.0
- [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@v3.4.0...v8.0.0)

Updates `System.Text.Json` from 7.0.3 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.3...v8.0.0)

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

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

src/Motor.Extensions.Diagnostics.Logging/Motor.Extensions.Diagnostics.Logging.csproj

@@ -7,7 +7,7 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
         <PackageReference Include="Serilog.Extensions.Hosting" Version="4.2.0" />
-        <PackageReference Include="Serilog.Settings.Configuration" Version="3.4.0" />
+        <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.0" />
         <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" />
     </ItemGroup>