chore(deps): Bump dtolnay/rust-toolchain from 56f84321dbccf38fb67ce29ab63e4754056677e0 to b3b07ba8b418998c39fb20f53e8b695cdcc8de1b

[dependabot[bot]]

Bumps dtolnay/rust-toolchain from 56f84321dbccf38fb67ce29ab63e4754056677e0 to b3b07ba8b418998c39fb20f53e8b695cdcc8de1b.

Commits

• b3b07ba Merge pull request #152 from dtolnay/trailingwhitespace
• 6ff96e9 Clean up trailing whitespace from PR 145
• 3038d43 Merge pull request #151 from dtolnay/winrustup
• d69c8f6 Use rustup.rs advertised download URLs
• c9b8f05 Merge pull request #149 from dtolnay/wincargohome
• eceb16e Respect pre-existing CARGO_HOME on Windows
• 449259c Merge pull request #150 from dtolnay/githubpath
• f36efba Fix GITHUB_PATH
• 3d21cbb Merge pull request #148 from dtolnay/backslash
• 802126c Consistently use backslash directories on Windows
• Additional commits viewable in compare view

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