chore(deps): update rust crate thiserror to v2.0.21

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
thiserror	dependencies	patch	2.0.17 → 2.0.21

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Release Notes

dtolnay/thiserror (thiserror)

v2.0.21

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• Fix parsing of generic unit variants in display expressions (#​459)

v2.0.20

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• Suppress redundant_field_names clippy lint in generated code (#​454)

v2.0.19

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• Update to syn 3

v2.0.18

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• Make compatible with project-level needless_lifetimes = "forbid" (#​443, thanks @​LucaCappelletti94)

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