Documentation: Corrections and clarifications for Python support (#6995)

* Clarifies Python version support and a rough policy of what versions are supported

docs/development.md

@@ -81,10 +81,6 @@ first-time setup.
     !!! note
 
         Using a virtual environment is highly recommended. You can spawn one via `pipenv shell`.
-        Make sure you're using Python 3.10.x or lower. Otherwise you might
-        get issues with building dependencies. You can use
-        [pyenv](https://github.com/pyenv/pyenv) to install a specific
-        Python version.
 
 5.  Install pre-commit hooks: