📝 Update release notes

Author: github-actions

docs/release-notes.md

@@ -7,6 +7,10 @@
 * 💄 Unify the width of the Rich console for help and errors. PR [#788](https://github.com/fastapi/typer/pull/788) by [@racinmat](https://github.com/racinmat).
 * 🚸 Improve assertion error message if a group is not a valid subclass. PR [#425](https://github.com/fastapi/typer/pull/425) by [@chrisburr](https://github.com/chrisburr).
 
+### Fixes
+
+* 🐛 Fix PowerShell completion with incomplete word. PR [#360](https://github.com/fastapi/typer/pull/360) by [@patricksurry](https://github.com/patricksurry).
+
 ### Refactors
 
 * 🔥 Remove Python 3.6 specific code paths. PR [#850](https://github.com/fastapi/typer/pull/850) by [@svlandeg](https://github.com/svlandeg).