chore(main): release 9.1.0 (#688) #1954

Job	Run time
Test Python 3.10	24s
Test Python 3.12	38s
Test Python 3.11	24s
Test Python 3.13	24s
Test Python 3.14	27s
Smoke test (Python ${{ matrix.python }})	-1s
	2m 16s

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