chore(deps): bump prefix-hex from 0.4.0 to 0.5.0 (#802)

Bumps [prefix-hex](https://github.com/iotaledger/common-rs) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/iotaledger/common-rs/releases)
- [Commits](https://github.com/iotaledger/common-rs/commits)

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

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

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

Cargo.toml

@@ -32,7 +32,7 @@ humantime = { version = "2.1.0", default-features = false }
 humantime-serde = { version = "1.1", default-features = false }
 mongodb = { version = "2.2", default-features = false, features = [ "tokio-runtime" ] }
 pin-project = { version = "1.0", default-features = false }
-prefix-hex = { version = "0.4.0", default-features = false, features = [ "primitive-types" ] }
+prefix-hex = { version = "0.5.0", default-features = false, features = [ "primitive-types" ] }
 primitive-types = { version = "0.11", default-features = false }
 serde = { version = "1.0", features = [ "derive" ], default-features = false }
 serde_bytes = { version = "0.11", default-features = false }