build(deps): update pyo3-built requirement in /bindings/python

Updates the requirements on [pyo3-built](https://github.com/pyo3/pyo3-built) to permit the latest version.
- [Commits](PyO3/pyo3-built@v0.5.0...v0.6.0)

---
updated-dependencies:
- dependency-name: pyo3-built
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

bindings/python/Cargo.toml

@@ -15,7 +15,7 @@ built = { version = "0.7.1", features = ["cargo-lock", "chrono"] }
 
 [dependencies]
 pyo3 = { version = "0.22.0", features = ["extension-module", "abi3-py37"] }
-pyo3-built = "0.5"
+pyo3-built = "0.6"
 rayon = "1"
 url = "2"