build(deps): bump serde_json from 1.0.107 to 1.0.108 #320

Job	Run time
cargo-test-sbf (token/program)	20m 7s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	29m 27s
check	0s
test	0s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	22m 10s
cargo-test-sbf (token-upgrade/program)	20m 30s
cargo-test-sbf (feature-proposal/program)	21m 17s
cargo-test-sbf (governance/addin-mock/program, governance/program)	27m 44s
cargo-test-sbf (memo/program)	19m 13s
cargo-test-sbf (name-service/program)	21m 0s
cargo-test-sbf (stake-pool/program)	25m 48s
cargo-test-sbf (single-pool/program)	21m 3s
	3h 48m 19s

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