OTT 0.4.8

What's Changed

• Fix low-rank convergence criterion by @michalk8 in #547
• Fix/quadratic pytree by @michalk8 in #555
• Fix/gw to lr by @michalk8 in #558
• TI transport map by @michalk8 in #559
• Update tutorial structure by @michalk8 in #560
• Fix Grid.prepare_divergences by @michalk8 in #563
• Raise error when instatiating cost/kernel for a grid by @michalk8 in #565
• correct convergence criterion for GW by @marcocuturi in #566
• Feature/progot by @michalk8 in #567
• Fix/univariate non ti by @michalk8 in #569
• sink div for LR by @marcocuturi in #568
• Add tutorial for unbalanced OT by @nvesseron in #291
• Edits to ProgOT by @pkassraie in #570
• Feature/update progot by @michalk8 in #571
• update mm-sink tutorial and plot by @zoepiran in #572
• Feature/update prox by @michalk8 in #575
• implements sliced W by @marcocuturi in #576

Full Changelog: 0.4.7...0.4.8