fix: metadata update use bytearray (#2031) #6708

Job	Run time
cairofmt	8s
clippy	20m 4s
docs	13m 32s
dojo-spawn-and-move-example-test	17m 8s
dojo-core-test	20m 32s
dojo-world-bindings-check	7m 53s
ensure-wasm	8m 3s
ensure-windows	10m 5s
test	25m 48s
test-hurl	6m 34s
fmt	2m 12s
	2h 11m 59s

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