build(deps): bump pyo3 in /examples/generated-files

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.27.2 to 0.29.0.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.27.2...v0.29.0)

---
updated-dependencies:
- dependency-name: pyo3
  dependency-version: 0.29.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

examples/generated-files/Cargo.lock

@@ -5,7 +5,7 @@ edition = "2021"
 build = "build.rs"
 
 [dependencies]
-pyo3 = "0.27"
+pyo3 = "0.29"
 
 [lib]
 name = "_lib"  # private module to be nested into Python package