🔖 release version [email protected] (#132)

### TL;DR

This pull request prepares for the release of backend version 0.10.5.

### What changed?

The version number in the backend `pyproject.toml` file was incremented to `0.10.5` from `0.10.4`.

### How to test?

After merging this PR, tag the commit with `v0.10.5`. Then, verify the new version is properly reflected in the system.

### Why make this change?

A new version is being released, so the project version number needs to be incremented.

---

backend/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyrb"
-version = "0.10.4"
+version = "0.10.5"
 description = "Python Rebalancer"
 authors = ["Minki Kim <[email protected]>"]
 readme = "README.md"