build(deps): bump derive_more from 2.0.1 to 2.1.0

[dependabot]

Bumps derive_more from 2.0.1 to 2.1.0.

Release notes

Sourced from derive_more's releases.

2.1.0

Added

• Support #[display(rename_all = "<casing>")] attribute to change output for implicit naming of unit enum variants or unit structs when deriving Display. (#443)
• Support #[from_str(rename_all = "<casing>")] attribute for unit enum variants and unit structs when deriving FromStr. (#467)
• Support Option fields for Error::source() in Error derive. (#459)
• Support structs with no fields in FromStr derive. (#469)
• Add PartialEq derive similar to std's one, but considering generics correctly, and implementing ne() method as well. (#473, #475)
• Add Eq derive similar to std's one, but considering generics correctly. (#479)
• Proxy-pass #[allow]/#[expect] attributes of the type in Constructor derive. (#477)
• Support Deref and DerefMut derives for enums. (#485)
• Support custom error in FromStr derive. (#494)
• Support custom error in TryInto derive. (#503)
• Support skipping fields in Add-like, AddAssign-like, Mul-like and MulAssign-like derives. (#472)

Changed

• The minimum supported Rust version (MSRV) is now Rust 1.81. (#466)
• Add-like, AddAssign-like, Mul-like and MulAssign-like derives now infer trait bounds for generics structurally (bound field types instead of type parameters directly). (#472)

Fixed

• Suppress deprecation warnings in generated code. (#454)
• Silent no-op when #[try_from(repr)] attribute is not specified for TryFrom derive. (#458)
• Missing trait bounds in AsRef/AsMut derives when associative types are involved. (#474)
• Erroneous code generated in Try/TryInto derives when Self type is present in the struct or enum definition. (#489)
• Dependency on unstable feature(error_generic_member_access) in Error derive when using Backtrace on a non-nightly toolchain. (#513)
• Broken support for #[<display-trait>("default formatting")] attribute without {_variant} being used as default for enum variants without explicit formatting. (#495)

New Contributors

• @​jasl made their first contribution in JelteF/derive_more#453
• @​aborgna-q made their first contribution in JelteF/derive_more#454
• @​maxime-bruno made their first contribution in JelteF/derive_more#461
• @​Cheban1996 made their first contribution in JelteF/derive_more#477
• @​kiendang made their first contribution in JelteF/derive_more#486
• @​goldlinker made their first contribution in JelteF/derive_more#509
• @​CJKay made their first contribution in JelteF/derive_more#513
• @​ErmitaVulpe made their first contribution in JelteF/derive_more#472

Full Changelog: JelteF/derive_more@v2.0.1...v2.1.0

Changelog

Sourced from derive_more's changelog.

2.1.0 - 2025-12-02

Added

• Support #[display(rename_all = "<casing>")] attribute to change output for implicit naming of unit enum variants or unit structs when deriving Display. (#443)
• Support #[from_str(rename_all = "<casing>")] attribute for unit enum variants and unit structs when deriving FromStr. (#467)
• Support Option fields for Error::source() in Error derive. (#459)
• Support structs with no fields in FromStr derive. (#469)
• Add PartialEq derive similar to std's one, but considering generics correctly, and implementing ne() method as well. (#473, #475)
• Add Eq derive similar to std's one, but considering generics correctly. (#479)
• Proxy-pass #[allow]/#[expect] attributes of the type in Constructor derive. (#477)
• Support Deref and DerefMut derives for enums. (#485)
• Support custom error in FromStr derive. (#494)
• Support custom error in TryInto derive. (#503)
• Support skipping fields in Add-like, AddAssign-like, Mul-like and MulAssign-like derives. (#472)

Changed

• The minimum supported Rust version (MSRV) is now Rust 1.81. (#466)
• Add-like, AddAssign-like, Mul-like and MulAssign-like derives now infer trait bounds for generics structurally (bound field types instead of type parameters directly). (#472)

Fixed

• Suppress deprecation warnings in generated code. (#454)
• Silent no-op when #[try_from(repr)] attribute is not specified for TryFrom derive. (#458)
• Missing trait bounds in AsRef/AsMut derives when associative types are involved. (#474)
• Erroneous code generated in Try/TryInto derives when Self type is present in

... (truncated)

Commits

• c354bad Prepare 2.1.0 release (#521)
• 983875f Allow using enum-level attributes for non-Display formatting traits as defa...
• 2d3805b Allow skipping fields for Add/AddAssign/Mul/MulAssign-like derives (#...
• 1b5d314 Upgrade convert_case requirement from 0.9 to 0.10 version (#520)
• c32d0a0 Upgrade actions/checkout from 5 to 6 version (#519)
• 905f5a3 Upgrade convert_case crate from 0.8 to 0.9 version (#517)
• 8e9104d Support syn::ExprCall and syn::ExprClosure for custom errors (#516, #112)
• be3edc4 Update compile_fail tests for 1.91 Rust (#515)
• 929dd41 Support custom error type in TryInto derive (#503, #396)
• 4fc6827 Remove unstable feature requirement when deriving Backtraced Error (#513,...
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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 41.11%. Comparing base (e78ca90) to head (815e146).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #367   +/-   ##
=======================================
  Coverage   41.11%   41.11%           
=======================================
  Files          40       40           
  Lines        2668     2668           
=======================================
  Hits         1097     1097           
  Misses       1571     1571           

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