build(deps): bump syn from 2.0.38 to 2.0.39 #277

Job	Run time
cargo-test-sbf (token/program)	14m 5s
check	0s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	53m 52s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	19m 17s
cargo-test-sbf (token-upgrade/program)	18m 36s
test	0s
cargo-test-sbf (feature-proposal/program)	23m 3s
cargo-test-sbf (governance/addin-mock/program, governance/program)	42m 24s
cargo-test-sbf (memo/program)	13m 52s
cargo-test-sbf (name-service/program)	23m 38s
cargo-test-sbf (stake-pool/program)	41m 4s
cargo-test-sbf (single-pool/program)	19m 28s
	4h 29m 19s

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