uv

34e1d441 - Ensure `python pin --global` creates parent directories if missing (#12180)

Ensure `python pin --global` creates parent directories if missing (#12180) ## Summary Closes https://github.com/astral-sh/uv/issues/12178 ## Test Plan Added new test. Manually tested on Windows and Linux. --------- Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>