build(deps): bump num-traits from 0.2.18 to 0.2.19

Bumps [num-traits](https://github.com/rust-num/num-traits) from 0.2.18 to 0.2.19.
- [Changelog](https://github.com/rust-num/num-traits/blob/master/RELEASES.md)
- [Commits](rust-num/num-traits@num-traits-0.2.18...num-traits-0.2.19)

---
updated-dependencies:
- dependency-name: num-traits
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.toml

@@ -285,7 +285,7 @@ impl-trait-for-tuples = { version = "0.2.2" }
 jsonrpsee             = { version = "0.20.3" }
 log                   = { version = "0.4.21", default-features = false }
 num-bigint            = { version = "0.4.3", default-features = false }
-num-traits            = { version = "0.2.18", default-features = false }
+num-traits            = { version = "0.2.19", default-features = false }
 parity-scale-codec    = { version = "3.6.12", default-features = false }
 paste                 = { version = "1.0.14" }
 scale-info            = { version = "2.11.0", default-features = false }