v3.1.0

DitherPunk v3.1.0

Diff since v3.0.3

Merged pull requests:

• CompatHelper: bump compat for TiledIteration to 0.4, (keep existing compat) (#94) (@github-actions[bot])
• Faster braille printing (#95) (@adrhill)
• Use UnicodeGraphics for Braille printing (#97) (@adrhill)
• Use ColorQuantization.jl for clustering (#98) (@adrhill)
• Add Aqua.jl tests (#99) (@adrhill)