Print currently downloaded and total downloaded

[pavelzw]

currently, pixi-pack behaves like this:

❯ pixi pack --platform linux-64
⏳ Downloading 55 packages...
[00:00:27] ######################################--

it would be nice if we printed the download progress in bytes as well:

❯ pixi pack --platform linux-64
⏳ Downloaded 52 / 55 packages (1.5 GiB / 2.10 GiB)...
[00:00:27] ######################################--

this can be done using indicatif