Bump to pyo3 0.22

Cargo.toml

@@ -41,7 +41,7 @@ workspace = true
 features = [ "serde",]
 
 [workspace.dependencies]
-pyo3 = ">=0.20"
+pyo3 = { version = ">=0.20", features = ["py-clone"] }
 
 [dev-dependencies.pyo3]
 workspace = true

src/branch.rs

@@ -379,7 +379,7 @@ pub fn open_containing(url: &url::Url) -> Result<(Box<dyn Branch>, String), Bran
         let m = py.import_bound("breezy.branch").unwrap();
         let c = m.getattr("Branch").unwrap();
 
-        let (b, p): (&PyAny, String) = c
+        let (b, p): (Bound<PyAny>, String) = c
             .call_method1("open_containing", (url.to_string(),))?
             .extract()?;
 

src/tree.rs

@@ -661,7 +661,7 @@ impl WorkingTree {
         Python::with_gil(|py| {
             let m = py.import_bound("breezy.workingtree")?;
             let c = m.getattr("WorkingTree")?;
-            let (wt, p): (&PyAny, String) =
+            let (wt, p): (Bound<PyAny>, String) =
                 c.call_method1("open_containing", (path,))?.extract()?;
             Ok((WorkingTree(wt.to_object(py)), PathBuf::from(p)))
         })
@@ -859,7 +859,7 @@ impl FromPyObject<'_> for TreeChange {
         }
 
         fn from_opt_bool_tuple(o: &Bound<PyAny>) -> PyResult<(Option<bool>, Option<bool>)> {
-            let tuple = o.extract::<(Option<&PyAny>, Option<&PyAny>)>()?;
+            let tuple = o.extract::<(Option<Bound<PyAny>>, Option<Bound<PyAny>>)>()?;
             Ok((
                 tuple.0.map(|o| from_bool(&o.as_borrowed())).transpose()?,
                 tuple.1.map(|o| from_bool(&o.as_borrowed())).transpose()?,