chore: update CHANGELOG for v1.2.4 #2320

Job	Run time
Labels	23s
Update CHANGELOG (on release)	0s
Create changelog fragment	13s
Code style	44s
Doc style	12s
Doc building	3m 10s
Build and smoke tests (ubuntu-latest, 3.10, false)	24s
Build and smoke tests (ubuntu-latest, 3.11, false)	32s
Build and smoke tests (ubuntu-latest, 3.12, false)	29s
Build and smoke tests (windows-latest, 3.10, false)	1m 28s
Build and smoke tests (windows-latest, 3.11, false)	1m 20s
Build and smoke tests (windows-latest, 3.12, false)	1m 9s
Build library	17s
Doc dev version deploy	0s
Release project to private PyPI, public PyPI and GitHub	0s
Doc stable version deploy	0s
	10m 21s

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