pypeit/PypeIt: Version 1.12.2

Instrument-specific Updates Include Gemini/GMOS mask design slurping and usage documentation New Gemini/GMOS wavelength solution Added NIRES tutorial doc reid_arxiv templates for all MMTO Blue Channel gratings and for MMTO Binospec G600 and G1000 Usage Updates Added new specutils interface Datamodel Updates Include the S/N of extracted spectra in the SpecObj datamodel Hotfixes Various bug fixes and enhancements to mmt_bluechannel and mmt_binospec support Fixed bugs when only performing calibrations and (1) calib groups are all set to 'all' or (2) anything other than '0'.