Merge pull request #10 from Jij-Inc/rust-version-update/0.4.1

Start developing 0.4.1

Author: termoshtt

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "serde-pyobject"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 
 description   = "PyO3's PyAny as a serde data format"