deps: Bump serde from 1.0.215 to 1.0.216 #1374

Job	Run time
Check formatting (Prettier)	3s
Validate PR title	2s
Build on x86_64-apple-darwin	1m 2s
Build on aarch64-apple-darwin	1m 4s
Build on x86_64-pc-windows-msvc	2m 15s
Build on x86_64-unknown-linux-gnu	1m 4s
rustfmt	18s
clippy	1m 41s
Test on x86_64-apple-darwin	1m 54s
Check rustdoc intra-doc links	1m 44s
Test on x86_64-pc-windows-msvc	2m 40s
Test on x86_64-unknown-linux-gnu	1m 27s
	15m 14s

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