Bump serde from 1.0.200 to 1.0.201 #1183

Job	Run time
lint-crlf	7s
check-lockfile	12s
changes	2s
lint-newsfile	0s
check-sampleconfig	0s
lint-clippy	2m 29s
check-schema-delta	0s
lint	0s
lint-clippy-nightly	2m 24s
Typechecking	0s
lint-pydantic	0s
lint-rustfmt	2m 7s
linting-done	2s
calculate-test-jobs	4s
trial-olddeps	7m 16s
portdb (3.8, 11)	3m 17s
complement (monolith, SQLite)	13m 9s
portdb (3.11, 15)	3m 4s
complement (monolith, Postgres)	13m 10s
cargo-bench	0s
complement (workers, Postgres)	20m 41s
cargo-test	0s
trial-pypy	0s
trial (3.8, sqlite, all)	4m 19s
sytest (focal)	9m 17s
trial (3.8, postgres, 11, all)	10m 22s
sytest (focal, postgres)	10m 37s
trial (3.8, sqlite)	4m 13s
sytest (focal, multi-postgres, workers)	14m 56s
sytest (focal, multi-postgres, workers, asyncio)	20m 18s
export-data	2m 9s
tests-done	3s
	2h 24m 18s

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