Auto merge of #166 - rust-lang:dependabot/cargo/cargo-0.50.1, r=JohnTitor

Bump cargo from 0.50.0 to 0.50.1

Bumps [cargo](https://github.com/rust-lang/cargo) from 0.50.0 to 0.50.1.
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[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=cargo&package-manager=cargo&previous-version=0.50.0&new-version=0.50.1)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

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Author: bors