build(deps): bump serde from 1.0.204 to 1.0.210 #757

Job	Run time
check	4m 53s
cargo-test-sbf (token/program)	1m 36s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	3m 59s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	1m 25s
test (single-pool/cli, single-pool/program)	3m 43s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	1m 38s
test (token-upgrade/cli, token-upgrade/program)	3m 59s
cargo-test-sbf (token-upgrade/program)	1m 22s
cargo-test-sbf (feature-proposal/program)	1m 27s
cargo-test-sbf (governance/addin-mock/program, governance/program)	1m 40s
cargo-test-sbf (memo/program)	1m 38s
cargo-test-sbf (name-service/program)	1m 38s
cargo-test-sbf (stake-pool/program)	1m 25s
cargo-test-sbf (single-pool/program)	1m 26s
	31m 49s

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