build(deps): update num-derive requirement from 0.3.2 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-0.3.2...num-derive-0.4.0)

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

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

Cargo.toml

@@ -26,7 +26,7 @@ required-features = ["ardupilotmega"]
 [dependencies]
 crc-any = { version = "2.3.5", default-features = false }
 num-traits = { version = "0.2", default-features = false }
-num-derive = "0.3.2"
+num-derive = "0.4.0"
 bitflags = "1.2.1"
 serial = { version = "0.4", optional = true }
 serde = { version = "1.0.115", optional = true, features = ["derive"] }