🔖 release version 0.8.10 (#69)

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<details open="true"><summary>Generated summary (powered by <a href="https://app.graphite.dev">Graphite</a>)</summary>

> ## TL;DR
> This pull request updates the version of the Python Rebalancer (pyrb) from 0.8.9 to 0.8.10 in the pyproject.toml file.
> 
> ## What changed
> The version number of the pyrb package was incremented from 0.8.9 to 0.8.10 in the pyproject.toml file. No other changes were made.
> 
> ```diff
>  [tool.poetry]
>  name = "pyrb"
> -version = "0.8.9"
> +version = "0.8.10"
>  description = "Python Rebalancer"
>  authors = ["Minki Kim <[email protected]>"]
>  readme = "README.md"
> ```
> 
> ## How to test
> To test this change, you can pull the changes from this branch and check the version of the pyrb package in the pyproject.toml file. It should now show as 0.8.10.
> 
> ## Why make this change
> This change was made to update the version of the pyrb package. This is important for version control and ensuring users are using the most up-to-date version of the package.
</details>

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyrb"
-version = "0.8.9"
+version = "0.8.10"
 description = "Python Rebalancer"
 authors = ["Minki Kim <[email protected]>"]
 readme = "README.md"