chore(deps): update num-derive requirement from 0.3.3 to 0.4.0

Updates the requirements on [num-derive](https://github.com/rust-num/num-derive) to permit the latest version.
- [Changelog](https://github.com/rust-num/num-derive/blob/master/RELEASES.md)
- [Commits](rust-num/num-derive@num-derive-0.3.3...num-derive-0.4.0)

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

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

Author: dependabot[bot]

Cargo.toml

@@ -13,6 +13,6 @@ keywords = ["no_std", "OS"]
 [dependencies]
 accessor = "0.3.0"
 bit_field = "0.10.1"
-num-derive = { version = "0.3.3", default-features = false }
+num-derive = { version = "0.4.0", default-features = false }
 num-traits = { version = "0.2.14", default-features = false }
 paste = "1.0.4"