build(deps): update unsigned-varint requirement from 0.7 to 0.8

[dependabot[bot]]

Updates the requirements on unsigned-varint to permit the latest version.

Changelog

Sourced from unsigned-varint's changelog.

0.8.0 - [2023-11-01]

• Update asynchronous-codec to 0.7 (#71)

0.7.2 [2023-09-XX]

• Update tokio-util to 0.7 (#59)

0.7.1 [2021-02-08]

• Allow conversions from crate errors to std::io equivalents (#52).
• Reject non-minimally encoded varints (additional non-significant zero bytes) (#56).

0.7.0 [2021-02-04]

• Update asynchronous-codec to v0.6.

0.6.0 [2021-01-11]

• Switch futures_codec to asynchronous-codec.

• Upgrade dependencies.

0.5.1 [2020-09-08]

• Improve docs (#36).

0.5.0 [2020-07-31]

• Add support for no_std (#32, #33). A new feature flag std has been added. It is not enabled by default but implicitly for codec, futures and futures-codec features. It must be explicitly provided in the absence of those features if the io module should be enabled.

0.4.0 [2020-05-18]

• Update tokio-util and futures_codec (#31).

0.3.3 [2020-04-14]

• Optional support for nom has been added (#27).

0.3.2 [2020-03-04]

• Replace the optional futures dependency with a futures feature that only includes futures-io and futures-util as dependencies (#26).

0.3.1 [2020-02-17]

... (truncated)

Commits

• 10d55e5 Merge pull request #72 from paritytech/prepare-v0.8.0
• a31821a Prepare v0.8.0
• 1020ddb Merge pull request #71 from thomaseizinger/bump-async-codec
• 75575c9 Update CHANGELOG.md
• a91de02 Update CHANGELOG.md
• 6c01927 Update changelog
• 104b1a8 Bump dependency
• 04d2d5c Merge pull request #66 from paritytech/release-v0.7.2
• 128ef75 Prepare for release v0.7.2
• 9925adb Merge pull request #59 from paritytech/dependabot/cargo/tokio-util-0.7
• Additional commits viewable in compare view

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