format {version} on failure (#15527)
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## Summary
Fixes #15512
## Test Plan
Manually tested :
```
~/uv/target/release/uv format --version 999.999.999 --preview-features format
error: Failed to install ruff 999.999.999
Caused by: Failed to download from: https://github.com/astral-sh/ruff/releases/download/999.999.999/ruff-x86_64-unknown-linux-gnu.tar.gz
Caused by: HTTP status client error (404 Not Found) for url (https://github.com/astral-sh/ruff/releases/download/999.999.999/ruff-x86_64-unknown-linux-gnu.tar.gz)
```
