v3.231201

Brings three main changes:

• every command that requires a --dir option, can now be executed also with --task and --instance as well
  • all crab commands that require a projdir can be called with --task= by @mapellidario in #5269
  • bash completions - every command that uses --dir also supports --task/--instance by @mapellidario in #5270
• crab recover - new command by
  • @mapellidario in #5250
• all crab client commands support py2 and py3. we use py3 from cmssw_10_2 or later
  • make all file compile on py2/3 fix #5261 by @belforte in #5262
  • only use python3 for CMSSW_10_2 or later. Fix #5264 by @belforte in #5265
  • proper way to use py3 from CMSSW_10_2 onward. Fix #5264 by @belforte in #5266

other changes

• trim docstring for class to look good on --help by @belforte in #5249
• add deprecation reason for sendPythonFolder by @belforte in #5251
• add checkfile.py fix #5234 by @belforte in #5252
• Use isEnoughRucioQuota from ServerUtilities.py by @novicecpp in #5247
• Fix #5253 by @belforte in #5254
• fix bug in #5254. Why didn't pylint spot this ? by @belforte in #5256
• Cleanup crab bash completion 5255 by @belforte in #5259
• Move checkdataset to crab client repo fix 5233 by @belforte in #5260

Full Changelog: v3.231030...v3.231201