Bump idna from 3.4 to 3.7 #761

Job	Run time
linters (3.9, ubuntu-latest)	2m 10s
Testing on Python 3.8 (ubuntu-latest)	2m 4s
Testing on Python 3.8 (macOS-latest)	3m 40s
Testing on Python 3.8 (windows-latest)	2m 39s
Testing on Python 3.9 (ubuntu-latest)	1m 59s
Testing on Python 3.9 (macOS-latest)	2m 14s
Testing on Python 3.9 (windows-latest)	2m 30s
Testing on Python 3.10 (ubuntu-latest)	2m 1s
Testing on Python 3.10 (macOS-latest)	2m 13s
Testing on Python 3.10 (windows-latest)	2m 32s
Testing on Python 3.11 (ubuntu-latest)	1m 49s
Testing on Python 3.11 (macOS-latest)	2m 5s
Testing on Python 3.11 (windows-latest)	2m 27s
	30m 23s

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