Bump pyo3 from 0.21.2 to 0.22.3 in the minor-patch-dependencies group (#99)

* Bump pyo3 from 0.21.2 to 0.22.3 in the minor-patch-dependencies group

Bumps the minor-patch-dependencies group with 1 update: [pyo3](https://github.com/pyo3/pyo3).


Updates `pyo3` from 0.21.2 to 0.22.3
- [Release notes](https://github.com/pyo3/pyo3/releases)
- [Changelog](https://github.com/PyO3/pyo3/blob/v0.22.3/CHANGELOG.md)
- [Commits](PyO3/pyo3@v0.21.2...v0.22.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

* Use gil-refs feature explicitly

* Remove deprecated as_ref(py)

---------

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

Author: dependabot[bot]

Cargo.lock

@@ -17,5 +17,5 @@ serde_json = "1.0"
 canonical_json = "0.5.0"
 
 [dependencies.pyo3]
-version = "0.21.2"
-features = ["extension-module"]
+version = "0.22.3"
+features = ["extension-module", "gil-refs"]

Cargo.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=0.14,<0.15"]
+requires = ["maturin>=1,<2"]
 build-backend = "maturin"
 
 [package.metadata.maturin]

pyproject.toml

@@ -57,7 +57,7 @@ impl From<PyCanonicalJSONError> for pyo3::PyErr {
 
 /// A canonical JSON serializer written in Rust
 #[pymodule]
-fn canonicaljson(_py: Python, m: &PyModule) -> PyResult<()> {
+fn canonicaljson(_py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add("__version__", env!("CARGO_PKG_VERSION"))?;
 
     m.add_wrapped(wrap_pyfunction!(dump))?;
@@ -105,7 +105,7 @@ fn to_json(py: Python, obj: &PyObject) -> Result<serde_json::Value, PyCanonicalJ
         };
     }
 
-    if obj.as_ref(py).eq(&py.None())? {
+    if obj.bind(py).eq(&py.None())? {
         return Ok(serde_json::Value::Null);
     }
 
@@ -117,7 +117,7 @@ fn to_json(py: Python, obj: &PyObject) -> Result<serde_json::Value, PyCanonicalJ
     return_cast!(PyDict, |x: &PyDict| {
         let mut map = serde_json::Map::new();
         for (key_obj, value) in x.iter() {
-            let key = if key_obj.eq(py.None().as_ref(py))? {
+            let key = if key_obj.eq(py.None().bind(py))? {
                 Ok("null".to_string())
             } else if let Ok(val) = key_obj.extract::<bool>() {
                 Ok(if val {
@@ -131,7 +131,7 @@ fn to_json(py: Python, obj: &PyObject) -> Result<serde_json::Value, PyCanonicalJ
                 Err(PyCanonicalJSONError::DictKeyNotSerializable {
                     typename: key_obj
                         .to_object(py)
-                        .as_ref(py)
+                        .bind(py)
                         .get_type()
                         .name()?
                         .to_string(),
@@ -165,6 +165,6 @@ fn to_json(py: Python, obj: &PyObject) -> Result<serde_json::Value, PyCanonicalJ
 
     // At this point we can't cast it, set up the error object
     Err(PyCanonicalJSONError::InvalidCast {
-        typename: obj.as_ref(py).get_type().name()?.to_string(),
+        typename: obj.bind(py).get_type().name()?.to_string(),
     })
 }