build(deps): update pyo3 requirement from 0.16 to 0.17 (prometheus#81)

Updates the requirements on [pyo3](https://github.com/pyo3/pyo3) to permit the latest version.
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/main/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.16.0...v0.17.0)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -23,7 +23,7 @@ prometheus-client-derive-text-encode = { version = "0.3.0", path = "derive-text-
 async-std = { version = "1", features = ["attributes"] }
 criterion = "0.3"
 http-types = "2"
-pyo3 = "0.16"
+pyo3 = "0.17"
 quickcheck = "1"
 rand = "0.8.4"
 tide = "0.16"