Add JSON-Safe serialization modes (#1308) #32

Job	Run time
build-and-test / build (22.X, x64, kilted)	6m 10s
build-and-test / build (24.X, x64, kilted)	6m 51s
build-and-test / build (22.X, x64, jazzy)	6m 21s
build-and-test / build (22.X, x64, humble)	5m 48s
build-and-test / build (24.X, x64, jazzy)	6m 0s
build-and-test / build (24.X, x64, humble)	5m 56s
build-and-test / build (24.X, x64, rolling)	10m 29s
build-and-test / build (22.X, x64, rolling)	10m 14s
build-and-test / finish	6s
	57m 55s

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