Update bindgen requirement from 0.53.1 to 0.54.1

[dependabot-preview[bot]]

Updates the requirements on bindgen to permit the latest version.

Changelog

Sourced from bindgen's changelog.

0.54.1

Released 2020/07/06.

Added

• Added ParseCallbacks::func_macro to be able to process function-like macros. (#1792).

• Allowed IntKind::Custom to represent paths instead of idents (#1800).

Changed

• Generated comment now includes the bindgen version, and can be disabled (#1814).

• Various documentation improvements.

Fixed

• Typedefs for types with the same names as rust primitive types compiles (#1798).

• Bindgen dependencies will now get rebuilt when various environment variables that affect bindgen change (#1809, #1813).

• Various fixes to command_line_flags (#1816, #1819, #1821).

• Functions that start with operator now get properly generated (#1817).

Thanks to all the awesome contributors that sent patches included in this release!

0.54.0

Released 2020/05/21.

Added

• New command line flag to allow disabling untagged unions (#1789).

Changed

• Various documentation improvements (#1764, #1751, #1757).
• Better Objective-C support (#1722, #1750).

Fixed

• Rust method wrappers are not emitted for blacklisted functions (#1775).

Commits

• f94036f Release v0.54.1
• 17b6ae8 main: Remove unused use statement.
• d794a08 tests: Check that command_line_args round-trips.
• 243359c lib: Trivially fix various command line arguments that are not properly round...
• 51ff49a tests: Minor simplification of test harness.
• eab1137 Introduce expectation test for operator names
• d4c3d4c Refine test for C++ operators
• a2fa624 lib: Fix msrv build.
• d8968fb Properly shell quote flags in test output
• 394648a Simplify multiple headers test
• Additional commits viewable in compare view

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[codecov[bot]]

Codecov Report

Merging #175 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #175   +/-   ##
=======================================
  Coverage   18.75%   18.75%           
=======================================
  Files          48       48           
  Lines        7406     7406           
=======================================
  Hits         1389     1389           
  Misses       6017     6017           

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[dependabot-preview[bot]]

Superseded by #179.