fix: Upgrade PyO3 to 0.23 for Python 3.14 support

- Update pyo3 dependency from 0.22 to 0.23
- Add `unsendable` attribute to PyEtlReader to fix Sync trait requirement
- PyO3 0.23+ requires Sync for #[pyclass] by default for free-threaded Python

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: m96-chan

crates/pyetwkit-core/Cargo.toml

@@ -18,8 +18,8 @@ crate-type = ["cdylib", "rlib"]
 ferrisetw = "1.2"
 
 # Python bindings
-pyo3 = { version = "0.22", features = ["extension-module"] }
-# Note: pyo3-asyncio not yet compatible with pyo3 0.22
+pyo3 = { version = "0.23", features = ["extension-module"] }
+# Note: pyo3-asyncio not yet compatible with pyo3 0.23
 # Async support will be added via Python-side asyncio wrapper
 
 # Async runtime

crates/pyetwkit-core/src/etl_reader.rs

@@ -114,7 +114,7 @@ impl Iterator for EtlReader {
 }
 
 /// Python wrapper for EtlReader
-#[pyclass(name = "EtlReader")]
+#[pyclass(name = "EtlReader", unsendable)]
 pub struct PyEtlReader {
     inner: Option<EtlReader>,
     started: bool,