Add progress bar when downloading python (#4840)
## Summary
Resolves #4825
## Test Plan
```sh
$ cargo run -- python install --force --preview
$ cargo run -- venv -p 3.12 --python-preference only-managed
$ cargo run -- tool install --preview -p 3.12 --python-preference only-managed --force black
````
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Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>
