ci(workflow): use codecov to measure coverage #111

Job	Run time
Build source distribution	16s
Build Wheels on ubuntu-latest	4m 36s
Test on ubuntu-latest with Python 3.9	1m 22s
Build Wheels on windows-latest	7m 46s
Test on ubuntu-latest with Python 3.10	1m 33s
Build Wheels on macos-13	2m 40s
Test on ubuntu-latest with Python 3.11	1m 21s
Test on ubuntu-latest with Python 3.12	1m 30s
Build Wheels on macos-14	1m 46s
Test on ubuntu-latest with Python 3.13	1m 31s
Test on windows-latest with Python 3.9	4m 16s
Test on windows-latest with Python 3.10	4m 25s
Test on windows-latest with Python 3.11	4m 30s
Test on windows-latest with Python 3.12	4m 20s
Test on windows-latest with Python 3.13	6m 19s
Test on macos-latest with Python 3.9	1m 29s
Test on macos-latest with Python 3.10	1m 21s
Test on macos-latest with Python 3.11	1m 16s
Test on macos-latest with Python 3.12	1m 39s
Test on macos-latest with Python 3.13	1m 29s
Publish to PyPI	0s
	55m 25s

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