build(deps): update num_enum requirement from 0.5 to 0.6

Updates the requirements on [num_enum](https://github.com/illicitonion/num_enum) to permit the latest version.
- [Release notes](https://github.com/illicitonion/num_enum/releases)
- [Commits](https://github.com/illicitonion/num_enum/compare/0.5.0...0.6.0)

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

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

aya-log-common/Cargo.toml

@@ -15,7 +15,7 @@ userspace = [ "aya" ]
 
 [dependencies]
 aya = { path = "../aya", version = "0.11.0", optional=true }
-num_enum = { version = "0.5", default-features = false }
+num_enum = { version = "0.6", default-features = false }
 
 [lib]
 path = "src/lib.rs"