Merge pull request #28 from Jij-Inc/rust-version-update/0.6.3

Start developing 0.6.3

Author: termoshtt

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "serde-pyobject"
-version = "0.6.2"
+version = "0.6.3"
 edition = "2021"
 
 description = "PyO3's PyAny as a serde data format"