Update proptest-derive requirement from 0.4 to 0.5

Updates the requirements on [proptest-derive](https://github.com/proptest-rs/proptest) to permit the latest version.
- [Release notes](https://github.com/proptest-rs/proptest/releases)
- [Changelog](https://github.com/proptest-rs/proptest/blob/master/CHANGELOG.md)
- [Commits](proptest-rs/proptest@0.4.0...proptest-derive-0.5.0)

---
updated-dependencies:
- dependency-name: proptest-derive
  dependency-type: direct:production
...

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

Cargo.toml

@@ -53,5 +53,5 @@ rayon = "1"
 rand = { version = "0.8", features = ["small_rng"] }
 pretty_assertions = "1.0"
 metrohash = "1"
-proptest-derive = "0.4"
+proptest-derive = "0.5"
 static_assertions = "1.1.0"