fixed the issue rendering code

Author: lnxpy

pyaction/action_template/{{action_slug}}/README.md.jinja

@@ -10,7 +10,7 @@ Example usage..
 If you want to run this action locally, follow these steps:
 - Clone the repo and `cd` into it.
 - If you use `pip`
-  - Run `pip install ".[cli]".
+  - Run `pip install ".[cli]"`.
   - Run `pyaction run`.
 - If you use `uv`
   - Run `uv sync --no-install-project --extra cli`.