build(deps): bump serde_with from 3.12.0 to 3.15.0 #66

Job	Run time
cargo-test-token-2022-serde	5m 32s
cargo-test-sbf	17m 2s
cargo-build-test-cli	19m 35s
cargo-test-sbf-transfer-hook	6m 37s
cargo-test-sbf-associated-token-account	7m 33s
js-test	8m 22s
cargo-test-sbf-token-2022	16m 55s
cargo-build-test-transfer-hook-cli	14m 32s
	1h 36m 8s

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