chore: bump version 1.2.dev0 #1930

Job	Run time
Doc style	15s
Update CHANGELOG (on release)	0s
Code style	50s
Doc building	2m 42s
Build and smoke tests (ubuntu-latest, 3.10, false)	28s
Build and smoke tests (ubuntu-latest, 3.11, false)	23s
Build and smoke tests (ubuntu-latest, 3.12, false)	25s
Build and smoke tests (windows-latest, 3.10, false)	1m 35s
Build and smoke tests (windows-latest, 3.11, false)	1m 36s
Build and smoke tests (windows-latest, 3.12, false)	1m 46s
Build library	15s
Release project to private PyPI, public PyPI and GitHub	0s
Doc dev version deploy	0s
Doc stable version deploy	0s
Deploy dev index docs	0s
Deploy stable docs index	0s
	10m 15s

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