Update ruzstd requirement from 0.7 to 0.8 in the cargo group

[dependabot]

Updates the requirements on ruzstd to permit the latest version.
Updates ruzstd to 0.8.0

Release notes

Sourced from ruzstd's releases.

Compression support

This release adds initial support for compressing data into the zstd format. This enables interoperability with workflows that require payloads to be encoded with zstd all in pure rust, no C dependencies needed.

API changes

The public API of the crate has been reorganized and cleaned up. Since there is now also encoding support the root couldn't really be used for structures used to decode data.

Errors

Decoding errors now live in their own module ruzstd::decoding::errors. This enabled hiding a lot of the internal modules and by that decluttering the docs.

Decoders

The FrameDecoder and StreamingDecoder are now found in ruzstd::decoding instead of the root of the namespace. This is because there is now the new ruzstd::encoding module which contains the FrameCompressor as well as the compress/compress_to_vec convenience functions.

Changelog

Sourced from ruzstd's changelog.

After 0.8.0 (Current)

After 0.7.3

• Add initial compression support
• Breaking Refactor modules to reflect that this is now also a compression library

After 0.7.2

• Soundness fix in decoding::RingBuffer. The lengths of the diferent regions where sometimes calculated wrongly, resulting in reads of heap memory not belonging to that ringbuffer

  • Fixed by https://github.com/paolobarbolini
  • Affected versions: 0.7.0 up to and including 0.7.2

• Added convenience functions to FrameDecoder to decode multiple frames from a buffer (https://github.com/philipc)

After 0.7.1

• Remove byteorder dependency (https://github.com/workingjubilee)
• Preparations to become a std dependency (https://github.com/workingjubilee)

After 0.7.0

• Fix for drain_to functions into limited targets (https://github.com/michaelkirk)

After 0.6.0

• Small fix in the zstd binary, progress tracking was slighty off for skippable frames resulting in an error only when the last frame in a file was skippable
• Small performance improvement by reorganizing code with #[cold] annotations
• Documentation for StreamDecoder mentioning the limitations around multiple frames (https://github.com/Sorseg)
• Documentation around skippable frames (https://github.com/Sorseg)
• Breaking StreamDecoder API changes to get access to the inner parts (https://github.com/ifd3f)
• Big internal documentation contribution (https://github.com/zleyyij)
• Dropped derive_more as a dependency (https://github.com/xd009642)
• Small improvement by removing the error cases from the reverse bitreader (and making sure invalid requests can't even happen)

After 0.5.0

• Make the hashing checksum optional (thanks to @​tamird)
  • breaking change as the public API changes based on features
• The FrameDecoder is now Send + Sync (RingBuffer impls these traits now)

Commits

• b74ea90 bump version to 0.8.0
• 1ed0ec8 cargo fmt
• d7643f4 mention Read::take in the doc for the compressor and implement it for the nos...
• 7be4381 fix take_drain to do what it says on the tin
• 2cec9cf better doc for FrameDecoder
• 5c547f0 mention that the framedecoder allows reusing ressources
• 48f6f22 Make FrameCompressor doc nicer
• 8bb22b2 no std imports!
• c3022ed fix doc for compress_to_vec
• f61fedc update doc on FrameCompressor::compress
• Additional commits viewable in compare view

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[dependabot]

Looks like ruzstd is no longer updatable, so this is no longer needed.