build(deps): bump serde from 1.0.188 to 1.0.189 #142

Job	Run time
check	0s
cargo-test-sbf (token/program)	13m 9s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	23m 25s
test	0s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	21m 35s
cargo-test-sbf (token-upgrade/program)	15m 18s
cargo-test-sbf (feature-proposal/program)	12m 40s
cargo-test-sbf (governance/addin-mock/program, governance/program)	21m 1s
cargo-test-sbf (memo/program)	12m 57s
cargo-test-sbf (name-service/program)	14m 28s
cargo-test-sbf (stake-pool/program)	26m 28s
cargo-test-sbf (single-pool/program)	13m 51s
	2h 54m 52s

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