Update num-derive requirement from 0.3 to 0.4

[dependabot[bot]]

Updates the requirements on num-derive to permit the latest version.

Changelog

Sourced from num-derive's changelog.

Release 0.4.0 (2023-06-29)

• Update to syn-2 -- thanks @​maurer!
  • This raises the minimum supported rustc to 1.56.
  • The "full-syntax" feature has also been removed.

Release 0.3.3 (2020-10-29)

• Make NumOps work with no_std -- thanks @​jedrzejboczar!

Release 0.3.2 (2020-08-24)

• Add #[inline] to all derived functions -- thanks @​Amanieu!

Release 0.3.1 (2020-07-28)

• Add num_traits proc_macro helper for explicit import - thanks @​jean-airoldie!
• Provide nicer parse errors and suggest "full-syntax"

Release 0.3.0 (2019-09-27)

• Updated the proc-macro2, quote, and syn dependencies to 1.0, which raises the minimum supported rustc to 1.31.

Release 0.2.5 (2019-04-23)

• Improved the masking of lints in derived code.

Release 0.2.4 (2019-01-25)

• Adjusted dependencies to allow no-std targets.

Release 0.2.3 (2018-10-03)

• [Added newtype deriving][17] for FromPrimitive, ToPrimitive,

... (truncated)

Commits

• fce481d Merge #54
• d2fa314 Release 0.4.0
• 678529b Update to 2021 edition
• e90d123 Bump to MSRV 1.56.0
• 4ff3da1 Need minimal syn 2.0.5 to pass tests
• 8436755 Remove full-syntax feature
• 80c5e5b Update to syn-2
• c259ebc Merge #52
• 9beade3 Stop explicitly naming CI steps
• 521b881 Switch from actions-rs/cargo to plain run
• Additional commits viewable in compare view

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