CI/CD

Unify observed labels format (#1636) #3449

Job	Run time
Run pre-commit	30s
Test Python 3.8 on macOS-latest	1m 30s
Test Python 3.9 on macOS-latest	1m 20s
Test Python 3.10 on macOS-latest	1m 2s
Test Python 3.11 on macOS-latest	2m 5s
Test Python 3.12 on macOS-latest	1m 5s
Test Python pypy-3.9 on macOS-latest	6m 1s
Test Python pypy-3.10 on macOS-latest	3m 54s
Test Python 3.8 on ubuntu-latest	44s
Test Python 3.9 on ubuntu-latest	43s
Test Python 3.10 on ubuntu-latest	44s
Test Python 3.11 on ubuntu-latest	54s
Test Python 3.12 on ubuntu-latest	1m 2s
Test Python pypy-3.9 on ubuntu-latest	2m 21s
Test Python pypy-3.10 on ubuntu-latest	2m 17s
Test Python 3.8 on windows-latest	1m 34s
Test Python 3.9 on windows-latest	1m 29s
Test Python 3.10 on windows-latest	1m 30s
Test Python 3.11 on windows-latest	2m 0s
Test Python 3.12 on windows-latest	1m 30s
Test Python pypy-3.9 on windows-latest	4m 49s
Test Python pypy-3.10 on windows-latest	4m 51s
Build distribution	36s
Finish coveralls	4s
Publish to PyPI	0s
	44m 35s

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