ESMValCore v2.12.0 release

[sloosvel]

Hi @ESMValGroup/esmvaltool-developmentteam ,

The release of version 2.12.0 is being prepared, starting with the feature freeze of ESMValCore on the 11th of February, 2025

Manager	Buddy	Feature Freeze	Feature branch	Milestone
@sloosvel	@ehogan	2025-02-11

Minor Release	Status	Date	RTD	Release	conda-forge	PyPI	Docker
v2.12.0rc1		2025-02-13	Docs	v2.12.0rc1	esmvalcore_rc	esmvalcore (--pre)	docker
v2.12.0rc2		2025-02-21	Docs	v2.12.0rc2	esmvalcore_rc	esmvalcore (--pre)	docker
v2.12.0		2025-02-27	Docs	v2.12.0	esmvalcore	esmvalcore	docker

[sloosvel]

ESMValCore version 2.12.0 is now available!