PECOS v1.2.2

Enhancements

• Add C implementation to fit Platt scaling by @jiong-zhang in #266
• Implement C/C++ PairwiseANN w/ Python API by @OctoberChang in #268
• Experiment Code of PEFA Paper for WSDM24 by @OctoberChang in #269

Bug Fixes

• move platt-transform exception to python by @jiong-zhang in #270
• Fix train/predict bugs in PairwiseANN by @OctoberChang in #271
• Add target clipping and update init point for platt transform by @jiong-zhang in #272

Full Changelog: v1.2.1...v1.2.2