Bump proptest from 0.9.6 to 1.6.0 (#192)

Bumps [proptest](https://github.com/proptest-rs/proptest) from 0.9.6 to 1.6.0.
- [Release notes](https://github.com/proptest-rs/proptest/releases)
- [Changelog](https://github.com/proptest-rs/proptest/blob/main/CHANGELOG.md)
- [Commits](proptest-rs/proptest@0.9.6...v1.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -89,7 +89,7 @@ cc = { version = "1.2.10", features = ["parallel"] }
 # Treat minor versions with a zero major version as compatible (cargo doesn't by default).
 hex = ">= 0.4.3"
 lazy_static = "1.5.0"
-proptest = "0.9"
+proptest = "1.6"
 
 [target.'cfg(linux)'.dev-dependencies]
 libfuzzer-sys = "0.4"