feat: finalize support for `raw_slice` and `string_slice`

[hal3e]

closes: https://github.com/FuelLabs/fuels-rs/issues/1152, https://github.com/FuelLabs/fuels-rs/issues/1158

This PR uses sway 0.61.0 which has a bug when working with Vec<Vec<u32>> so we are blocked for now.

Checklist

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