chore: Prepare release of v1.2.0. #2455

Job	Run time
Run linters	1m 9s
Build package	45s
Lint GitHub Actions / 🔐 Analyze repo with zizmor 🌈	34s
ubuntu - Python 3.9	2m 16s
ubuntu - Python 3.10	1m 21s
ubuntu - Python 3.12	1m 16s
ubuntu - Python 3.13	1m 44s
windows - Python 3.10	1m 44s
windows - Python 3.11	1m 9s
ubuntu - Python 3.14-dev	1m 18s
windows - Python 3.12	1m 48s
ubuntu - Python 3.11	1m 14s
windows - Python 3.9	1m 10s
windows - Python 3.13	2m 4s
windows - Python 3.14-dev	1m 11s
Check	4s
Publish packages to test.pypi.org	1s
Publish packages to pypi.org	1s
Create GitHub release	1s
	20m 50s

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