OstapHEP/ostap: v1.9.5.2

v1.9.5.2 New features: add psi, digamma , polygamma, beta and lnbeta functions, including their variants with uncertainties. add these functions to ostap.math.math_ve module add Hagedorn function/PDF add test for pt-spectra add integratebins, newstyle and parallelize command options add Skewed Generslized Error distribution (function, model and resolution) add sinc into math_ve.py Backward incompatible: Bug fixes: fix a typo in Ostap::Math::beta and Ostap::Math::lnbet