chore: bump serde_json from 1.0.118 to 1.0.120 in /src/rust #873

Job	Run time
build (ubuntu-20.04, x86_64-unknown-linux-gnu)	12m 39s
build (ubuntu-20.04, aarch64-unknown-linux-gnu)	13m 5s
build (macos-14, x86_64-apple-darwin)	17m 45s
build (macos-14, aarch64-apple-darwin)	22m 16s
build (windows-latest, x86_64-pc-windows-gnu)	22m 50s
test (macos-12, release)	3m 34s
test (macos-14, release)	2m 37s
test (windows-latest, oldrel-1)	7m 43s
test (windows-latest, release)	4m 31s
test (ubuntu-latest, oldrel-1)	2m 46s
test (ubuntu-latest, release)	2m 48s
test (ubuntu-latest, devel)	13m 37s
merge	0s
release	0s
	2h 6m 11s

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