Prepare for `2.1.2` release#253

ndgrigorian wants to merge 1 commit intomaintenance/2.1.xIntelPython/mkl_fft:maintenance/2.1.xfrom

prepare-for-2.1.2-releaseIntelPython/mkl_fft:prepare-for-2.1.2-releaseCopy head branch name to clipboard