Add support for Float16Array #6342

Job	Run time
Lagom (Linux, ubuntu-24.04, FUZZ, Clang, false) / CI	40m 32s
Lagom (Linux, ubuntu-24.04, NO_FUZZ, GNU, false) / CI	1h 10m 5s
Lagom (Linux, ubuntu-24.04, NO_FUZZ, Clang, true) / CI	58m 12s
Lagom (macOS, macos-15, NO_FUZZ, Clang, false) / CI	50m 59s
	3h 39m 48s

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