Bump idna from 3.6 to 3.7 #1009

Job	Run time
check-lockfile	7s
changes	2s
lint-crlf	5s
lint-newsfile	0s
check-sampleconfig	2m 17s
check-schema-delta	37s
lint	1m 29s
Typechecking	2m 56s
lint-pydantic	2m 22s
lint-clippy-nightly	0s
lint-clippy	0s
lint-rustfmt	0s
linting-done	2s
calculate-test-jobs	5s
trial-olddeps	6m 46s
complement (monolith, SQLite)	12m 7s
portdb (3.8, 11)	3m 24s
complement (monolith, Postgres)	14m 40s
portdb (3.11, 15)	3m 35s
complement (workers, Postgres)	20m 18s
cargo-bench	0s
cargo-test	0s
trial-pypy	0s
trial (3.8, sqlite, all)	5m 36s
sytest (focal)	11m 9s
trial (3.8, postgres, 11, all)	11m 28s
sytest (focal, postgres)	11m 41s
trial (3.8, sqlite)	4m 18s
sytest (focal, multi-postgres, workers)	15m 20s
sytest (focal, multi-postgres, workers, asyncio)	19m 52s
export-data	2m 55s
tests-done	4s
	2h 33m 15s

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