Bump Portable.System.DateTimeOnly from 8.0.1 to 8.0.2 (#317)

Bumps [Portable.System.DateTimeOnly](https://github.com/OlegRa/System.DateTimeOnly) from 8.0.1 to 8.0.2.
- [Release notes](https://github.com/OlegRa/System.DateTimeOnly/releases)
- [Commits](OlegRa/System.DateTimeOnly@j8.0.1...j8.0.2)

---
updated-dependencies:
- dependency-name: Portable.System.DateTimeOnly
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Alpaca.Markets.Tests.Win/Alpaca.Markets.Tests.Win.csproj

@@ -20,7 +20,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
-    <PackageReference Include="Portable.System.DateTimeOnly" Version="8.0.1" />
+    <PackageReference Include="Portable.System.DateTimeOnly" Version="8.0.2" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <PrivateAssets>all</PrivateAssets>