build(deps): bump Serilog.Sinks.Map and System.Threading.Channels

Bumps [Serilog.Sinks.Map](https://github.com/serilog/serilog-sinks-map) and [System.Threading.Channels](https://github.com/dotnet/runtime). These dependencies needed to be updated together.

Updates `Serilog.Sinks.Map` from 1.0.2 to 2.0.0
- [Release notes](https://github.com/serilog/serilog-sinks-map/releases)
- [Commits](serilog/serilog-sinks-map@1.0.2...v2.0.0)

Updates `System.Threading.Channels` from 6.0.0 to 8.0.0
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v6.0.0...v8.0.0)

---
updated-dependencies:
- dependency-name: Serilog.Sinks.Map
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: System.Threading.Channels
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Directory.Packages.props

@@ -41,7 +41,7 @@
  <PackageVersion Include="Serilog.Sinks.Async" Version="1.5.0" />
  <PackageVersion Include="Serilog.Sinks.Console" Version="4.1.0" />
  <PackageVersion Include="Serilog.Sinks.File" Version="5.0.0" />
- <PackageVersion Include="Serilog.Sinks.Map" Version="1.0.2" />
+ <PackageVersion Include="Serilog.Sinks.Map" Version="2.0.0" />
  <PackageVersion Include="Spectre.Console.Cli" Version="0.49.1" />
  <PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.556" />
  <PackageVersion Include="System.IO.FileSystem.AccessControl" Version="5.0.0" />