build(deps): bump async-trait from 0.1.56 to 0.1.57 in /atcoder-problems-backend

[dependabot[bot]]

Bumps async-trait from 0.1.56 to 0.1.57.

Release notes

Sourced from async-trait's releases.

0.1.57

• Add categories to crates.io metadata

Commits

• 7aa083c Release 0.1.57
• 4124033 Revert "Temporarily disable clippy on tests due to ICE"
• 81704b3 Add categories to crates.io metadata
• f997ace Sort package entries in Cargo.toml
• a386446 Avoid cargo 1.43–1.45 in GitHub Actions
• 2cc3532 Merge pull request #209 from dtolnay/ice
• f1d6746 Temporarily disable clippy on tests due to ICE
• c93e97c Ignore explicit_auto_deref clippy lint
• 408e77f Update ui test suite to nightly-2022-07-02
• d0a7da0 Merge pull request #208 from dtolnay/oncecell
• Additional commits viewable in compare view

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