build(deps): bump serde_json from 1.0.115 to 1.0.119 #2626

Job	Run time
Docs	1m 55s
Lints, pinned toolchain (x86_64)	1m 21s
Lints, pinned toolchain (s390x)	17m 54s
Tests, minimum supported toolchain (x86_64)	3m 3s
Tests, unstable toolchain (beta, x86_64)	2m 57s
Tests, minimum supported toolchain (s390x)	28m 39s
Tests, unstable toolchain (nightly, x86_64)	3m 3s
Tests, stable toolchain (x86_64)	3m 47s
Tests, stable toolchain (s390x)	27m 47s
	1h 30m 26s

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