chore: Prepare release of v1.2.0. #2454

Job	Run time
Run linters	1m 3s
Build package	33s
Lint GitHub Actions / 🔐 Analyze repo with zizmor 🌈	24s
ubuntu - Python 3.13	1m 33s
ubuntu - Python 3.10	1m 16s
windows - Python 3.11	2m 29s
ubuntu - Python 3.9	2m 12s
windows - Python 3.10	2m 12s
ubuntu - Python 3.11	1m 12s
windows - Python 3.12	2m 25s
windows - Python 3.9	4m 8s
ubuntu - Python 3.12	1m 23s
ubuntu - Python 3.14-dev	1m 29s
windows - Python 3.13	2m 36s
windows - Python 3.14-dev	3m 2s
Check	18s
Create GitHub release	2m 27s
Publish packages to test.pypi.org	20s
Publish packages to pypi.org	0s
	31m 2s

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