Update cbindgen requirement from 0.27.0 to 0.28.0

[dependabot]

Updates the requirements on cbindgen to permit the latest version.

Release notes

Sourced from cbindgen's releases.

0.28.0

• Parse unsafe attributes in mozilla/cbindgen#1020
• Fix local override of enum prefix-with-name by jsgf in mozilla/cbindgen#1006
• Add rename-all=prefix in mozilla/cbindgen#1021
• ir: add support for UnsafeCell and SyncUnsafeCell by alekitto in mozilla/cbindgen#1003
• Implement mangling for arrays in mozilla/cbindgen#1022
• Fix: Ignore CARGO_BUILD_TARGET in tests by bryango in mozilla/cbindgen#1010
• Newline for each field for constexpr field constants by youknowone in mozilla/cbindgen#988
• Fix clippy warnings by youknowone in mozilla/cbindgen#1026
• Add aarch64/arm64 to CI by NickeZ in mozilla/cbindgen#1036
• Add unstable_ir feature flag that makes the ir pub by heesooy in mozilla/cbindgen#1011
• Support generated a symbols file by TheElectronWill in mozilla/cbindgen#916

Changelog

Sourced from cbindgen's changelog.

0.28.0

  * Parse unsafe attributes in https://github.com/mozilla/cbindgen/pull/1020
  * Fix local override of enum prefix-with-name by jsgf in https://github.com/mozilla/cbindgen/pull/1006
  * Add rename-all=prefix in https://github.com/mozilla/cbindgen/pull/1021
  * ir: add support for UnsafeCell and SyncUnsafeCell by alekitto in https://github.com/mozilla/cbindgen/pull/1003
  * Implement mangling for arrays in https://github.com/mozilla/cbindgen/pull/1022
  * Fix: Ignore `CARGO_BUILD_TARGET` in tests by bryango in https://github.com/mozilla/cbindgen/pull/1010
  * Newline for each field for constexpr field constants by youknowone in https://github.com/mozilla/cbindgen/pull/988
  * Fix clippy warnings by youknowone in https://github.com/mozilla/cbindgen/pull/1026
  * Add aarch64/arm64 to CI by NickeZ in https://github.com/mozilla/cbindgen/pull/1036
  * Add `unstable_ir` feature flag that makes the ir pub by heesooy in https://github.com/mozilla/cbindgen/pull/1011
  * Support generated a symbols file by TheElectronWill in https://github.com/mozilla/cbindgen/pull/916

0.27.0

  * Revert: The `Config` struct now has a private member.
  * Allow users to specify a crate version for bindings generation ([#901](https://github.com/mozilla/cbindgen/issues/901)).
  * Update MSRV to 1.74 ([#912](https://github.com/mozilla/cbindgen/issues/912), [#987](https://github.com/mozilla/cbindgen/issues/987)).
  * Support #[deprecated] on enum variants ([#933](https://github.com/mozilla/cbindgen/issues/933)).
  * Support integrating the package_version information in a header file comment ([#939](https://github.com/mozilla/cbindgen/issues/939)).
  * Add a language backend ([#942](https://github.com/mozilla/cbindgen/issues/942)).
  * Support generics with defaulted args ([#959](https://github.com/mozilla/cbindgen/issues/959)).
  * Add `VaList` compatibility ([#970](https://github.com/mozilla/cbindgen/issues/970)).

0.26.0

  * Fix swapping of `>>=` and `<<=` in constants.
  * Add support for #[deprecated] ([#860](https://github.com/mozilla/cbindgen/issues/860)).
  * Built-in support for bitflags 2.0.
  * Support for "C-unwind" ABI.
  * Generate bindings for non-public extern items if they are #[no_mangle].

0.25.0

  * Re-release of yanked 0.24.6 as a major release
  * Update MSRV to 1.57
  * Support variadic arguments (`...`) ([#805](https://github.com/mozilla/cbindgen/issues/805))
  * Add --depfile option ([#820](https://github.com/mozilla/cbindgen/issues/820))
  * Breaking changes: The `Config` struct now has a private member.

0.24.6 (YANKED: depfile option was breaking, see #841)

  * Update MSRV to 1.57
  * Support variadic arguments (`...`) ([#805](https://github.com/mozilla/cbindgen/issues/805))
  * Add --depfile option ([#820](https://github.com/mozilla/cbindgen/issues/820))

0.24.5

  * Don't enforce tempfile version.

... (truncated)

Commits

• bd78bbe Release 0.28.0
• 8ca9c4c tests: Fix symbol file and tests.
• 152f91d Appease clippy.
• 70b9d7a tests: Run rustfmt.
• 87afbf9 Add a way to generate a list of symbols for dynamic linkage, resolves #907
• 80c50c6 Add unstable_ir feature flag that makes the ir pub
• e82815e Refactor arm64 build to matrix strategy
• a5e1443 Add aarch64/arm64 to CI
• b9b8f88 Fix clippy warnings
• 89a9faa newlines for constexpr
• Additional commits viewable in compare view

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