Epic: Display Progress

[lukekarrys]

Ref: #366, #421

• Merge cli PRs to exec and arborist progress workspaces
• Remove npmlog
• Implement progress in display class

[darcyclarke]

Update

• npmlog is left in one place
• display class work is being backlogged

[darcyclarke]

Update (2022-04-04)

• potential change for v9 (as a breaking change) would be to switch to spinner vs. trying to maintain a progress bar (ex. migrating to proggy)

[wraithgar]

#810