Update PyO3 to 0.17

Author: smheidrich

Cargo.lock

@@ -11,7 +11,7 @@ crate-type = ["cdylib"]
 [dependencies]
 num-bigint = ">=0.4.3,<0.5"
 owned_chars = ">=0.3.2,<0.4"
-pyo3 = { version = ">=0.16.5,<0.17", features = ["num-bigint"] }
+pyo3 = { version = ">=0.17,<0.18", features = ["num-bigint"] }
 thiserror = ">=1.0.37,<2"
 utf8-chars = ">=2.0.2,<3"
 compact_str = ">=0.7.1,<0.8"