Update tabled requirement from 0.14.0 to 0.15.0

Updates the requirements on [tabled](https://github.com/zhiburt/tabled) to permit the latest version.
- [Changelog](https://github.com/zhiburt/tabled/blob/master/CHANGELOG.md)
- [Commits](zhiburt/tabled@v0.14.0...v0.15.0)

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

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

Cargo.toml

@@ -30,7 +30,7 @@ lexical-core = { version = "0.8.5", default-features = false, features = [
     "parse-floats",
 ] }
 reqwest = { version = "0.11", features = ["blocking", "json"], optional = true }
-tabled = { version = "0.14.0", optional = true }
+tabled = { version = "0.15.0", optional = true }
 openssl = { version = "0.10", features = ["vendored"], optional = true }
 
 [target.wasm32-unknown-unknown.dependencies]