What's Changed
* adding new isotope equil. fractionation factor formulae for ice-vap 2H (LambEtAl2017, EllehojEtAl2013) + new example notebook (Fig. 4 from [Lamb](https://github.com/kdlamb) et al. 2017, PNAS) by slayoo in https://github.com/open-atmos/PySDM/pull/1271
* instruct dependabot to also check PySDM-examples dependencies. closes 1224 by slayoo in https://github.com/open-atmos/PySDM/pull/1270
* Bump pypartmc from 1.0.2 to 1.0.3 by dependabot in https://github.com/open-atmos/PySDM/pull/1268
**Full Changelog**: https://github.com/open-atmos/PySDM/compare/v2.41...v2.42