Bump tabled from 0.20.0 to 0.21.0

Bumps [tabled](https://github.com/zhiburt/tabled) from 0.20.0 to 0.21.0.
- [Changelog](https://github.com/zhiburt/tabled/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zhiburt/tabled/commits)

---
updated-dependencies:
- dependency-name: tabled
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -38,7 +38,7 @@ rabbitmq_http_client = { version = "0.88", default-features = false, features =
 ] }
 serde = { version = "1.0", features = ["derive", "std"] }
 serde_json = "1.0"
-tabled = "0.20"
+tabled = "0.21"
 bel7-cli = { version = "0.12", features = ["tables", "serde", "clap", "completions"] }
 toml = "1.1"
 toml_edit = "0.25"