Bump tokio-graceful-shutdown from 0.14.3 to 0.15.1

[dependabot[bot]]

Bumps tokio-graceful-shutdown from 0.14.3 to 0.15.1.

Release notes

Sourced from tokio-graceful-shutdown's releases.

v0.15.1

Changes

• Fix typo (#85)

v0.15.0

Breaking Changes

• Bump miette dependency to 7.0.0
• Minimum Supported Rust Version (MSRV) is now 1.70.0.

Commits

• 966e76b Bump version to 0.15.1
• 495eb59 Merge pull request #84 from Finomnis/dependabot/cargo/nix-0.29.0
• a0a218a Fix typo in toplevel.rs (#85)
• 29dadc4 Update nix requirement from 0.28.0 to 0.29.0
• 43684d8 Fix formatting
• d2707c9 Fix clippy warnings in test
• 865d76d Update miette requirement from 5.10.0 to 7.0.0 (#81)
• See full diff in compare view

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