Update Rust crate pyo3 to 0.28

Author: renovate[bot]

Cargo.toml

@@ -55,7 +55,7 @@ wasm-bindgen = { version = "0.2", optional = true }
 serde-wasm-bindgen = { version = "0.6", optional = true }
 js-sys = { version = "0.3", optional = true }
 getrandom = { version = "0.4.0-rc.0", features = ["wasm_js"], optional = true }
-pyo3 = { version = "0.27", features = ["extension-module"], optional = true }
+pyo3 = { version = "0.28", features = ["extension-module"], optional = true }
 buildinfy = { version = "^0.1", optional = true }
 commandy = { version = "^0.2", optional = true }
 commandy_macros = { version = "^0.2", optional = true }