fix build (progressbar)

[ahrens]

The build depends on progressbar/v2, which no longer exists. Update it to simply progressbar.

Closes #17

Signed-off-by: Matthew Ahrens [email protected]

@dvassallo, I noticed that there haven't been many updates to this project since 2019. If you are no longer maintaining it, my team may be able to contribute. Let me know how you'd like to proceed.

[jplitza]

This doesn't seem to work (anymore):

./main.go:262:10: undefined: progressbar.NewOptions
./main.go:262:47: undefined: progressbar.OptionSetRenderBlankState
./main.go:574:9: undefined: progressbar.NewOptions
./main.go:574:57: undefined: progressbar.OptionSetRenderBlankState