Bump proptest from 1.7.0 to 1.8.0

Bumps [proptest](https://github.com/proptest-rs/proptest) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/proptest-rs/proptest/releases)
- [Changelog](https://github.com/proptest-rs/proptest/blob/main/CHANGELOG.md)
- [Commits](proptest-rs/proptest@v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: proptest
  dependency-version: 1.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -32,7 +32,7 @@ num-traits = "0.2"
 criterion = { version = "0.5", default-features = false }
 hwlocality = "1.0.0-alpha.11"
 multiversion = "0.8"
-proptest = { version = "1.7", default-features = false, features = ["handle-panics", "std"] }
+proptest = { version = "1.8", default-features = false, features = ["handle-panics", "std"] }
 rand = "0.9"
 static_assertions = "1.1.0"