Update Rust crate schemars to 0.8.16

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
schemars (source)	dependencies	patch	0.8.15 -> 0.8.16

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Release Notes

GREsau/schemars (schemars)

v0.8.16

Compare Source

Fixed:

• Reduce size of MIR output (and improve release-mode compile time) when deriving JsonSchema

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