v3.3.2

• Class instance methods can now be used as external likelihoods.
• Added planck_2018_lowl.EE_sroll2 low-E Planck likelihood
• CAMB now supports using sigma8 as an input parameter (thanks @tilmantroester); note this is inefficient compared to A_s-based sampling)
• cobaya-install cosmo now installs set of Planck NPIPE (PR4) python likelihoods
• CAMB minimum version now 1.5 (with important bug fix in CAMB 1.5)
• Various bug fixes/additional warnings