Update derive_more requirement from =1.0.0-beta.3 to =1.0.0-beta.6

Updates the requirements on [derive_more](https://github.com/JelteF/derive_more) to permit the latest version.
- [Release notes](https://github.com/JelteF/derive_more/releases)
- [Changelog](https://github.com/JelteF/derive_more/blob/master/CHANGELOG.md)
- [Commits](JelteF/derive_more@derive_more-impl-v1.0.0-beta.3...derive_more-impl-v1.0.0-beta.3)

---
updated-dependencies:
- dependency-name: derive_more
  dependency-type: direct:production
...

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

Cargo.toml

@@ -15,5 +15,5 @@ categories = ["rust-patterns"]
 include = ["/src/", "/CHANGELOG.md", "/LICENSE.md", "/README.md"]
 
 [dependencies]
-derive_more = { version = "=1.0.0-beta.3", features = ["as_mut", "as_ref", "display"] }
+derive_more = { version = "=1.0.0-beta.6", features = ["as_mut", "as_ref", "display"] }
 sealed = "0.5"