build(deps): bump serde from 1.0.209 to 1.0.210 (#2875) #313

Job	Run time
benchmark (solana-sdk, cargo +$rust_nightly bench -p solana-sdk)	1m 22s
benchmark (solana-runtime, cargo +$rust_nightly bench -p solana-runtime)	1m 12s
benchmark (solana-gossip, cargo +$rust_nightly bench -p solana-gossip)	3m 15s
benchmark (solana-poh, cargo +$rust_nightly bench -p solana-poh)	1m 35s
benchmark (solana-core, cargo +$rust_nightly bench -p solana-core)	5m 35s
benchmark (sbf, make -C programs/sbf all, cargo +$rust_nightly bench --manifest-path programs/sbf...	1m 37s
benchmark (solana-accounts-db, cargo +$rust_nightly bench -p solana-accounts-db --bench accounts_...	13m 29s
	28m 5s

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