chore(deps): update rust crate apple-cf to v0.9.3

[rufin-renovate]

This PR contains the following updates:

Package	Type	Update	Change
apple-cf	workspace.dependencies	minor	=0.6.0 → =0.9.3

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Release Notes

doom-fish/apple-cf-rs (apple-cf)

v0.9.3

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• Clippy hygiene sweep: cleared all -D warnings lints across the crate. No public API change.

v0.9.2

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• Widen doom-fish-utils dependency bound to <0.4 so the 0.3.x SPSC-ring release resolves cleanly across the fleet. No source changes.

v0.9.1

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• Bump MSRV from 1.70 to 1.76 to match fleet baseline.

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog,
and this project adheres to Semantic Versioning.

v0.9.0

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Changed

• Added the last three missing CoreGraphics raw aliases for downstream re-export and dedup work: CGContextRef, CGCharCode, and CGKeyCode.

v0.8.1

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Changed

• Added Debug coverage to the remaining public structs that can safely expose it in apple-cf: 5 structs touched total, with CFPropertyList, CFPreferences, and CFXML now deriving Debug, plus manual pointer-aware Debug implementations for CGColorSpace and CGImage.

v0.8.0

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Changed

• BREAKING: CGRect now matches Apple's CGGeometry.h definition with nested origin: CGPoint and size: CGSize fields. The previous flat { x, y, width, height } layout had the same byte ordering, so FFI compatibility is preserved, but field access must change: rect.x → rect.origin.x, rect.y → rect.origin.y, rect.width → rect.size.width, and rect.height → rect.size.height.
• CGRect::new(x, y, width, height) is unchanged and still takes four f64 values.
• Added CGRect::from_origin_size(origin, size).
• Added CGRect::is_empty() and CGRect::contains_point().

v0.7.1

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Changed

• Added // SAFETY: justification comments to every bare unsafe impl Send
  and unsafe impl Sync declaration across iosurface, cv, cm, cg, and
  dispatch_queue modules. All Apple Core Foundation / Core Media / Core Video
  / GCD opaque-pointer types are documented as thread-safe by Apple; the
  comments now make this contract explicit in source.
• Normalised Drop implementations: IOSurface, CVPixelBuffer,
  CVPixelBufferPool, and CVMetalTextureCache now null-guard their release
  calls, matching the convention already in place for CFType and
  CMSampleBuffer.
• Updated doom-fish-utils version constraint from "0.1" to ">=0.1, <0.3"
  following the crate-family >=X.Y, <X.(Y+2) convention.
• README installation snippet updated to reflect the current 0.7 line.

v0.7.0

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Changed

• Factored framework-agnostic helpers into the new
  doom-fish-utils crate:
  completion, ffi_string, four_char_code, and panic_safe now
  live in doom-fish-utils so any doom-fish family crate can pull them
  in without depending on the full apple-cf Core* surface.
• apple_cf::utils is preserved as a re-export shim, so downstream
  call sites (apple_cf::utils::{completion, ffi_string, four_char_code, FourCharCode, panic_safe}) keep compiling without
  any changes. The string-owning helpers
  (ffi_string_owned, ffi_string_owned_or_empty) remain
  apple-cf-specific shims that bake in acf_free_string as the
  deallocator; the underlying generic helpers in doom-fish-utils
  take a caller-supplied free_fn for sibling crates that need a
  different _free_string symbol.
• Added doom-fish-utils = { version = "0.1" } dependency.
• Cargo.toml version bumped to 0.7.0 (minor: dependency graph
  change, no public API breakage).
• COVERAGE_AUDIT_V2.md published — independent re-verification
  against MacOSX26.2.sdk confirming 100% non-exempt coverage of
  the sampled top-300 symbols per framework.

Removed

• apple_cf/src/utils/{completion.rs, four_char_code.rs, panic_safe.rs} — relocated to doom-fish-utils. The
  apple_cf::utils::* import paths still resolve via re-exports.

v0.6.1

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Added

• cf::CFSet / CFMutableSet and cf::CFPropertyList, including Swift bridge coverage, examples, and smoke tests.
• dispatch_queue::dispatch_async, dispatch_async_and_wait, and dispatch_apply safe helpers.
• cm::CMMetadataFormatDescription plus metadata-description constants, constructors, identifier lookup, and merge/extend helpers.
• New numbered example 14_cm_metadata_format_description and matching CoreMedia metadata smoke tests.

Changed

• COVERAGE_AUDIT.md refreshed for the highest-value remaining gaps; deprecated CVDisplayLink symbols now live in the exempt bucket.
• README / COVERAGE docs refreshed for the new CoreFoundation, Dispatch, and CoreMedia surface.
• Cargo.toml version bumped to 0.6.1.

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