Merge pull request #7 from cjermain/claude/pyo3-027-011CUYo18ZqbutpJ67DM6jab

Update PyO3 to 0.27.1 and Rust edition to 2021

Author: cjermain

Cargo.toml

@@ -1,15 +1,15 @@
 [package]
 name = "foobar"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]
 name = "foobar"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.23.5", features = ["extension-module"] }
+pyo3 = { version = "0.27.1", features = ["extension-module"] }
 
 [package.metadata.maturin]
 python-source = "python"