Merge branch 'release_v2.4.0' into 'master'

.gitlab-ci.yml

CHANGELOG.md

README.md

dist/mlair-2.4.0-py3-none-any.whl

docs/_source/installation.rst

mlair/__init__.py

mlair/configuration/defaults.py

mlair/configuration/era5_settings.py

mlair/configuration/ifs_settings.py

mlair/configuration/toar_data_v2_settings.py

mlair/data_handler/data_handler_mixed_sampling.py

mlair/data_handler/data_handler_single_station.py

mlair/data_handler/data_handler_with_filter.py

mlair/data_handler/default_data_handler.py

mlair/helpers/data_sources/__init__.py

mlair/helpers/data_sources/data_loader.py

mlair/helpers/data_sources/era5.py

mlair/helpers/data_sources/ifs.py

mlair/helpers/data_sources/join.py

mlair/helpers/data_sources/toar_data.py