update pyo3 version to 0.16.4

Gal Ben David · Gal Ben David · commit b48864fe0425 · 2022-05-02T12:11:09.000+03:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -42,7 +42,7 @@ memchr = "2"
 once_cell = "1"
 
 [dependencies.pyo3]
-version = "0.16.1"
+version = "0.16.4"
 features = ["extension-module"]
 
 [profile.release]
