Change serde_json::from_value to use pass-by-reference

[rooney]

If the function needs ownership, you should pass by value. If the function only needs a reference, you should pass by reference.

-- https://stackoverflow.com/a/64814149/342293

from_value doesn't need to own its parameter, so it should use pass-by-reference.

[GnomedDev]

Is this not an obvious breaking change that would require a serde_json 2.0?

[rooney]

Is this not an obvious breaking change that would require a serde_json 2.0?

Hmm yes, any other parts that should also been updated? (Apologies if these should be obvious, still learning)