build(deps): bump pyo3 from 0.17.3 to 0.18.0 in /examples/html-py-ever

Bumps [pyo3](https://github.com/pyo3/pyo3) from 0.17.3 to 0.18.0.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.17.3...v0.18.0)

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

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

Author: dependabot[bot]

examples/html-py-ever/Cargo.lock

@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 kuchiki = "0.8.0"
-pyo3 = { version = "0.17.3", features = ["extension-module"] }
+pyo3 = { version = "0.18.0", features = ["extension-module"] }
 tendril = "0.4.3"
 
 [lib]