Bump pyo3 from 0.19.1 to 0.21.2

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.19.1 to 0.21.2.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.19.1...v0.21.2)

---
updated-dependencies:
- dependency-name: pyo3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -18,7 +18,7 @@ name = "dbt_extractor"
 crate-type = ["cdylib", "lib"]
 
 [dependencies]
-pyo3 = { version = "0.19.0", features = ["abi3-py38", "extension-module"] }
+pyo3 = { version = "0.21.2", features = ["abi3-py38", "extension-module"] }
 rayon = "1.5.1"
 tree-sitter = "0.20.8"
 tree-sitter-jinja2 = { git = "https://github.com/dbt-labs/tree-sitter-jinja2", tag = "v0.2.0" }