Bump Serilog.Sinks.Async from 1.4.0 to 1.5.0 (#1512)

Bumps [Serilog.Sinks.Async](https://github.com/serilog/serilog-sinks-async) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/serilog/serilog-sinks-async/releases)
- [Commits](serilog/serilog-sinks-async@v1.4.0...v1.5.0)

---
updated-dependencies:
- dependency-name: Serilog.Sinks.Async
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/PowerShellEditorServices/PowerShellEditorServices.csproj

@@ -34,7 +34,7 @@
     <PackageReference Include="PowerShellStandard.Library" Version="5.1.1" />
     <PackageReference Include="Serilog" Version="2.10.0" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="3.0.1" />
-    <PackageReference Include="Serilog.Sinks.Async" Version="1.4.0" />
+    <PackageReference Include="Serilog.Sinks.Async" Version="1.5.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="4.1.0" />
     <PackageReference Include="System.IO.Pipes.AccessControl" Version="5.0.0" />
     <PackageReference Include="System.Security.Principal" Version="4.3.0" />