v0.20.0

CloudMicrophysics v0.20.0

Diff since v0.19.0

Merged pull requests:

• Generalize ice nucleation calibration funcs (#380) (@amylu00)
• Add changelog (#383) (@nefrathenrici)
• Adding AIDA hom ice nuc data as artifacts (#388) (@amylu00)
• Update climacommon to 2024_04_30 (#389) (@Sbozzolo)
• Fix buildkite for new ClimaComms (#390) (@nefrathenrici)
• add sensitivity checks for r_eff and radarrefl 2M (#391) (@crocicc)
• Aerosol constructor changes (#392) (@trontrytel)