chore(main): release 6.0.0 (#608) #1725

Job	Run time
Test Python 3.11	25s
Test Python 3.12	34s
Test Python 3.13	23s
Test Python 3.14	21s
Test Python 3.10	27s
Smoke test (Python ${{ matrix.python }})	-1s
	2m 9s

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