Update cbindgen requirement from 0.11 to 0.12

[dependabot-preview]

Updates the requirements on cbindgen to permit the latest version.

Changelog

Sourced from cbindgen's changelog.

0.12.0

 * Added support for #[repr(align)] and #[repr(packed)] on structs and unions. https://github.com/eqrion/cbindgen/pull/431
 * Added support to generate copy-assignment operators for enums. https://github.com/eqrion/cbindgen/pull/434

0.11.1

 * More binary operators and expressions are supported. https://github.com/eqrion/cbindgen/pull/425
 * More built-in bitflags operators. https://github.com/eqrion/cbindgen/pull/426

0.11.0

 * Made rust char map to uint32_t. https://github.com/eqrion/cbindgen/pull/424

0.10.1

 * Improved error message for missing config file. https://github.com/eqrion/cbindgen/pull/422
 * Add missing header for char32_t. https://github.com/eqrion/cbindgen/pull/414

0.10.0

 * Initialize struct literal with list-initializer for C++11 standard. https://github.com/eqrion/cbindgen/pull/401
 * Surround namespace with __cplusplus ifdef in cpp_compat mode. https://github.com/eqrion/cbindgen/pull/407
 * Add support for --quiet flag. https://github.com/eqrion/cbindgen/pull/400
 * Map char to char32_t. https://github.com/eqrion/cbindgen/pull/396
 * Improve binding_crate_ref() error message. https://github.com/eqrion/cbindgen/pull/395
 * avoid prematurely returning during expansion. https://github.com/eqrion/cbindgen/pull/389
 * Add support for adding "using namespace" statements. https://github.com/eqrion/cbindgen/pull/387

0.9.1

 * Various improvements to comment output. https://github.com/eqrion/cbindgen/pull/370 / https://github.com/eqrion/cbindgen/pull/375.
 * Fixed expand when ran from build.rs. https://github.com/eqrion/cbindgen/pull/371
 * More debugging output for expansion. https://github.com/eqrion/cbindgen/pull/383
 * New option to add a default private constructor in C++ tagged enums. https://github.com/eqrion/cbindgen/pull/377
 * Syn and related dependencies updated to 1.0. https://github.com/eqrion/cbindgen/pull/379

0.9.0

 * Support to generate C headers with C++ compatibility. https://github.com/eqrion/cbindgen/pull/349
 * Fix include guard generation when no_includes is set. https://github.com/eqrion/cbindgen/pull/352
 * Fix crate parsing order so that types from the binding crate are preferred in presence of conflicting names. https://github.com/eqrion/cbindgen/pull/355
 * Add extra_bindings option to generate bindings for dependencies. https://github.com/eqrion/cbindgen/pull/362
 * Clap dependency is optional now so it's feasible to avoid building it if cbindgen is used as a library. https://github.com/eqrion/cbindgen/pull/363

0.8.7

 * Require C++11 to run the test-suite ([#341](https://github.com/eqrion/cbindgen/issues/341), test-only)
 * Improve mangling error message ([#340](https://github.com/eqrion/cbindgen/issues/340))
 * Add the ability to automatically derive copy-constructors for tagged enums ([#339](https://github.com/eqrion/cbindgen/issues/339))

... (truncated)

Commits

• 38fda6b v0.12.0
• 48f1038 enum: Add an option to generate copy-assignments.
• 2b2ab90 docs: add documentation for new alignment config knobs
• f23d4ee tests: add tests for #[repr(packed)] and #[repr(align(...))]
• 725378d {struct,union}: do not generate unsafe layouts
• b95df2b ir: union: support #[repr(align(...))] and #[repr(packed)]
• 89781e2 ir: struct: support #[repr(align(...))] and #[repr(packed)]
• 377d93e ir: repr: support #[repr(align(...))] and #[repr(packed)] parsing
• 19e685c ir: {enum,struct,union}: check ReprStyle correctly
• e050442 Add CHANGES entry for v0.11.1
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Automerge options (never/patch/minor, and dev/runtime dependencies)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)