Update accesskit_winit requirement from 0.17 to 0.18

[dependabot[bot]]

Updates the requirements on accesskit_winit to permit the latest version.

Release notes

Sourced from accesskit_winit's releases.

accesskit_winit: v0.18.1

0.18.1 (2024-01-11)

Bug Fixes

• Run our own async executor on Unix (#337) (8f937ba)
• Show an error at compile-time if no raw-window-handle feature is enabled for the winit adapter (#339) (a24f5fd)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • accesskit_unix bumped from 0.7.0 to 0.7.1

Commits

• 03bc0f9 chore: release main (#338)
• a24f5fd fix: Show an error at compile-time if no raw-window-handle feature is enabled...
• 8f937ba fix: Run our own async executor on Unix (#337)
• c034802 fix: Make full use of tokio ecosystem if the tokio feature is enabled on Unix...
• 432dd7a chore: release main (#335)
• 3725373 fix: Decrease minimum Python version to 3.8 for Python bindings (#334)
• dcf824e ci: Simplify C bindings asset generation (#333)
• 3be91ea chore: release main (#326)
• 23b3f2f fix: Bump objc2 to 0.5.0; bring icrate 0.1.0 (#323)
• 52560da feat: Add Python bindings (#269)
• Additional commits viewable in compare view

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[james7132]

The fact that accesskit now uses it's own async executor (https://github.com/AccessKit/accesskit/pull/337) means that a tokio or async-std runtime is now necessary to be bundled on Unix platforms. This also imposes restrictions on our initialization by requiring the appropriate main macro for the target async executor for this to work.

[mwcampbell]

There is no such requirement on initialization. That's the whole reason we run an async executor on its own thread. As you can see in accesskit_winit's example, and in the accesskit_winit Unix backend itself, the async stuff is entirely internal to accesskit_unix.

[dependabot[bot]]

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.

[BD103]

Closing this because #12973 has been created for accesskit_winit 0.19.