Bump cargo from 0.59.0 to 0.60.0

Bumps [cargo](https://github.com/rust-lang/cargo) from 0.59.0 to 0.60.0.
- [Release notes](https://github.com/rust-lang/cargo/releases)
- [Changelog](https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md)
- [Commits](rust-lang/cargo@0.59.0...0.60.0)

---
updated-dependencies:
- dependency-name: cargo
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -12,7 +12,7 @@ edition = "2018"
 exclude = ["/ci/*", "/.github/*", "/doc"]
 
 [dependencies]
-cargo = "0.59"
+cargo = "0.60"
 crates-io = "0.33" # Keep in sync with version pulled by Cargo
 curl = "0.4.42"
 env_logger = "0.9"