Update Cython dependency #784

Job	Run time
Run linters with pre-commit	1m 24s
Determine Python versions	4s
Test building the documentation	2m 6s
Python 3.11 on ubuntu-20.04 (standalone: false, 32bit: false)	30m 24s
Python 3.11 on ubuntu-20.04 (standalone: false, 32bit: true)	34m 12s
Python 3.11 on ubuntu-20.04 (standalone: true, 32bit: false)	29m 48s
Python 3.11 on ubuntu-20.04 (standalone: true, 32bit: true)	36m 47s
Python 3.11 on windows-2019 (standalone: false, 32bit: false)	1h 12m 54s
Python 3.11 on windows-2019 (standalone: false, 32bit: true)	1h 14m 33s
Python 3.11 on windows-2019 (standalone: true, 32bit: false)	36m 54s
Python 3.11 on windows-2019 (standalone: true, 32bit: true)	30m 30s
Python 3.11 on macOS-11 (standalone: false, 32bit: false)	52m 8s
Python 3.11 on macOS-11 (standalone: false, 32bit: true)	46m 40s
Python 3.11 on macOS-11 (standalone: true, 32bit: false)	38m 31s
Python 3.11 on macOS-11 (standalone: true, 32bit: true)	29m 53s
Python 3.9 on ubuntu-20.04 (standalone: false, 32bit: false)	29m 57s
Python 3.9 on ubuntu-20.04 (standalone: true, 32bit: false)	39m 39s
Indicate completion to coveralls.io	18s
	9h 46m 42s

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