build(deps): bump serde_yaml from 0.9.27 to 0.9.28 #409

Job	Run time
cargo-test-sbf (token/program)	15m 1s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	24m 58s
check	0s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	15m 58s
test	0s
cargo-test-sbf (token-upgrade/program)	14m 53s
cargo-test-sbf (feature-proposal/program)	14m 42s
cargo-test-sbf (governance/addin-mock/program, governance/program)	22m 11s
cargo-test-sbf (memo/program)	14m 44s
cargo-test-sbf (name-service/program)	14m 44s
cargo-test-sbf (stake-pool/program)	21m 5s
cargo-test-sbf (single-pool/program)	15m 59s
	2h 54m 15s

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