Update image requirement from 0.22.2 to 0.23.2

[dependabot-preview[bot]]

Updates the requirements on image to permit the latest version.

Changelog

Sourced from image's changelog.

Version 0.23.2

• The dependency on jpeg-decoder now reflects minimum requirements.

Version 0.23.1

• Fix cmyk_to_rgb (jpeg) causing off by one rounding errors.
• A number of performance improvements for jpeg (encode and decode), bmp, vp8
• Added more details to errors for many formats

Version 0.23.0

This major release intends to improve the interface with regards to handling of color format data and errors for both decoding and encoding. This necessitated many breaking changes anyways so it was used to improve the compliance to the interface guidelines such as outstanding renaming.

It is not yet perfect with regards to color spaces but it was designed mainly as an improvement over the current interface with regards to in-memory color formats, first. We'll get to color spaces in a later major version.

• Heavily reworked ColorType:
  • This type is now used for denoting formats for which we support operations on buffers in these memory representations. Particularly, all channels in pixel types are assumed to be an integer number of bytes (In terms of the Rust type system, these are Sized and one can crate slices of channel values).
  • An ExtendedColorType is used to express more generic color formats for which the library has limited support but can be converted/scaled/mapped into a ColorType buffer. This operation might be fallible but, for example, includes sources with 1/2/4-bit components.
  • Both types are non-exhaustive to add more formats in a minor release.
  • A work-in-progress (#1085) will further separate the color model from the specific channel instantiation, e.g. both 8-bit RGB and 16-bit BGR are instantiations of RGB color model.
• Heavily rework ImageError:
  • The top-level enum type now serves to differentiate cause with multiple opaque representations for the actual error. These are no longer simple Strings but contains useful types. Third-party decoders that have no variant in ImageFormat have also been considered.
  • Support for Error::source that can be downcast to an error from a matching version of the underlying decoders. Note that the version is not part of the stable interface guarantees, this should not be relied upon for correctness and only be used as an optimization.
  • Added image format indications to errors.
  • The error values produced by decoder will be upgraded incrementally. See something that still produces plain old String messages? Feel free to send a PR.
• Reworked the ImageDecoder trait:
  • read_image takes an output buffer argument instead of allocating all

... (truncated)

Commits

• d954445 Update release notes for 0.23.2
• 285c45b Merge pull request #1161 from qnighy/jpeg-decoder-min-version
• 6a66f69 Require jpeg-decoder >= 0.1.17 for Send + Sync error
• 3c4ca97 Merge pull request #1160 from HeroicKatora/release-0.23.1
• 0e4b819 Update meta data for 0.23.1
• 9b1839a Merge pull request #1151 from philippeitis/patch-3
• a328d49 Merge pull request #1158 from HeroicKatora/update-png
• ec6dfc5 Update png to 0.16
• e65860e Merge pull request #1156 from philippeitis/patch-5
• 4377bf9 Merge pull request #1149 from lo48576/feature/pnm-detailed-error
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #30.