Bump cbindgen from 0.21.0 to 0.23.0

[dependabot]

Bumps cbindgen from 0.21.0 to 0.23.0.

Release notes

Sourced from cbindgen's releases.

v0.23.0

• Better support for constexpr. (#756)
• constexpr is now enabled by default in C++ mode. You can use const.allow_constexpr=false to revert to previous behavior. (#756)
• Minimum syn version no longer parses old rust code. (#754)

v0.22.0

• Support rename rule for union body members (#751).
• constant: Add support for associated constant expressions (#752).
• Fix regression in CamelCase rename rule (should be lowerCamelCase) (#750).
• enumeration: simplify standard types in variants (#749).
• Avoid generating and writing bindings when called recursively (#747).
• Cython: Omit per-variant tags in unions generated for Rust enums (#748).
• Update various dependencies.

Changelog

Sourced from cbindgen's changelog.

0.23.0

  * Better support for constexpr. ([#756](https://github.com/eqrion/cbindgen/issues/756))
  * constexpr is now enabled by default in C++ mode. You can use const.allow_constexpr=false to revert to previous behavior. ([#756](https://github.com/eqrion/cbindgen/issues/756))
  * Minimum syn version no longer parses old rust code. ([#754](https://github.com/eqrion/cbindgen/issues/754))

0.22.0

  * Support rename rule for union body members ([#751](https://github.com/eqrion/cbindgen/issues/751)).
  * constant: Add support for associated constant expressions ([#752](https://github.com/eqrion/cbindgen/issues/752)).
  * Fix regression in CamelCase rename rule (should be lowerCamelCase) ([#750](https://github.com/eqrion/cbindgen/issues/750)).
  * enumeration: simplify standard types in variants ([#749](https://github.com/eqrion/cbindgen/issues/749)).
  * Avoid generating and writing bindings when called recursively ([#747](https://github.com/eqrion/cbindgen/issues/747)).
  * Cython: Omit per-variant tags in unions generated for Rust enums ([#748](https://github.com/eqrion/cbindgen/issues/748)).
  * Update various dependencies.

Commits

• 798cfab v0.23.0
• 305ccfe constant: Make const.allow_constexpr default to true.
• 15e1131 constant: Allow more constexpr constants.
• a0ab624 Update syn dependency to at least 1.0.88
• 8cfd457 Fix #753
• 8604b2c v0.22.0
• 5b418d9 Support rename rule for union body members.
• 770f352 constant: Add support for other expressions WebRender uses.
• 882af0b constant: Add support for associated constant expressions.
• 20ddfff Fix regression in CamelCase rename rule (should be lowerCamelCase)
• Additional commits viewable in compare view

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