chore: updating CHANGELOG for v1.2.0 #2208

Job	Run time
Labels	22s
Update CHANGELOG (on release)	24s
Create changelog fragment	5s
Code style	49s
Doc style	12s
Doc building	2m 30s
Build and smoke tests (ubuntu-latest, 3.10, true)	22s
Build and smoke tests (ubuntu-latest, 3.11, true)	34s
Build and smoke tests (ubuntu-latest, 3.12, true)	25s
Build and smoke tests (windows-latest, 3.10, true)	2m 28s
Build and smoke tests (windows-latest, 3.11, true)	2m 9s
Build and smoke tests (windows-latest, 3.12, true)	3m 56s
Build and smoke tests (macos-latest, 3.10, true)	36s
Build and smoke tests (macos-latest, 3.11, true)	42s
Build and smoke tests (macos-latest, 3.12, true)	33s
Build library	16s
Release project to private PyPI, public PyPI and GitHub	45s
Doc dev version deploy	0s
Doc stable version deploy	36s
	17m 44s

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