Beta release of mpi-sppy

What's Changed

• Rho mult by @DLWoodruff in #303
• swtiching schur yml to ubuntu latest by @DLWoodruff in #305
• fix error (that might never hurt anyone) in _main_body of xhat4xhat by @DLWoodruff in #306
• Fix bug in dtiming with unequal number of local scenarios (issue #307) by @tvalenciaz in #308
• Fix bug: bounders not switching to iterk_solver_options (issue #309) by @tvalenciaz in #310
• Pyotracker fix by @DLWoodruff in #313
• Aph slurm by @DLWoodruff in #311
• Grad w by @ulysse-n in #312
• bump readthedocs to Python 3.9 by @bknueven in #314
• W unittest by @ulysse-n in #315
• fix test by @ulysse-n in #316
• Doc nonant by @DLWoodruff in #317
• Supress uniform probability warning by @DLWoodruff in #320
• Ibob spoke by @DLWoodruff in #319
• update run all for a particular slurm machine by @DLWoodruff in #322
• now calling extensions after sync in ph iter by @ulysse-n in #321
• Ew by @DLWoodruff in #323
• Uniform ef by @DLWoodruff in #324
• Uniform ef by @DLWoodruff in #325
• A doc update for variable probability by @DLWoodruff in #328
• Variable probability by @garg02 in #332
• Add Primal/Dual Convergence metrics by @garg02 in #329
• fix warmstart negative gaps by @garg02 in #331
• PHTracking extension by @garg02 in #334
• Remove matplotlib by @garg02 in #335
• pass hub bounds to spoke for all spoke types by @garg02 in #333
• fixed phtracking reliant on hub bounds code by @garg02 in #336
• reduce the use of, and improve, warning messages about missing probs by @DLWoodruff in #327
• afew.py needs matplotlib so added it to yml by @DLWoodruff in #341
• Aph tuning by @DLWoodruff in #340
• ph outer bounder by @ulysse-n in #337
• gradient rho improvements by @ulysse-n in #326
• get npy file out of the repo by @DLWoodruff in #342
• add a few words about rho extensions to the docs by @DLWoodruff in #343
• Some spoke extensions by @DLWoodruff in #346
• random sleep with license retry by @bknueven in #347
• fix rtd try 0 by @bknueven in #351
• Termination callback by @bknueven in #349
• UC example quartz script and baseline updates by @jeanpaulwatson in #353
• Minor clean-up in cross scenario cut extension. by @jeanpaulwatson in #355
• Shufflefix by @DLWoodruff in #358
• Avoid retrying the same solutions by @pdb5627 in #359
• Set up 0.12 by @bknueven in #360

New Contributors

• @tvalenciaz made their first contribution in #308
• @ulysse-n made their first contribution in #312
• @garg02 made their first contribution in #332
• @pdb5627 made their first contribution in #359

Full Changelog: v0.11.1.2...0.12