chore: bump cpp_demangle from 0.4.5 to 0.5.1

[dependabot]

Bumps cpp_demangle from 0.4.5 to 0.5.1.

Changelog

Sourced from cpp_demangle's changelog.

0.5.1

Released 2025/11/5

Added

• Fold expressions are supported. (#303)[https://redirect.github.com/Support fold expressions gimli-rs/cpp_demangle#303]

Fixed

• We are now less conservative when accepting the legacy production for increased compatibility with libiberty.

• When printing conversion and cast operators we now treat the type we are converting/casting to as a self-contained child and prevent outer template parameters/etc from leaking into it.

• When looking for a <template-template-param> production after a conversion operator, we now correctly handle the case where peeking for the next character fails because we reached the end of the symbol.

• When parsing <unqualified-name productions, accept both with and without an "on" prefix. LLVM requires the prefix, while libiberty accepts but does not require it.

• Empty braced-enclosed initializer lists are now accepted.

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0.5.0

Released 2025/9/23

Added

• A new Symbol::demangle function has been introduced to replace the Display impl. See below for the motivation.

Changed

• The function previously known as Symbol::demangle has been renamed to Symbol::demangle_with_options. See below for the motivation.

Removed

• The implementation of Display for Symbol has been removed. This implementation violated the contract of the Display trait by potentially returning an Err without a failure of a write to the provided stream. This contract is enforced by assertion since Rust 1.80.0. The new Symbol::demangle function is the intended replacement for uses of

... (truncated)

Commits

• 6fc3a53 Release 0.5.1.
• 364c360 Allow an initializer list to be empty.
• 0225f4d Update afl requirement from 0.15 to 0.16 (#301)
• ac10993 Support fold expressions.
• 44bc5f0 When parsing <unqualified-name>, accept <operator-name>s with and without an ...
• ebc3bf3 When we're looking for a <template-template-param> production after
• e52ce24 For cast and conversion operators, use an inner barrier.
• dad03d5 Be less conservative when dealing with the legacy <data-member-prefix> produc...
• e21f3bd Release 0.5.0.
• dee7dbd Remove Display impl because it violates the trait's contract.
• See full diff in compare view

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