fix bug in Cargo.toml in case of PyO3 building - we need to add one line edition = "2021"

Author: bieli

Cargo.toml

@@ -2,19 +2,20 @@
 name = "iotext"
 version = "0.1.0"
 rust-version = "1.57.0"
+edition = "2021"
 
 [lib]
 name = "_iotext"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.19.0", features = ["auto-initialize", "extension-module"] }
-
+pyo3 = { version = "0.19.2", features = ["auto-initialize", "extension-module"] }
+iotext_rs = { git = "https://github.com/bieli/IoText-rs.git" }
 # dependencies
 fancy-regex = "0.11.0"
-regex = "1.8.3"
+regex = "1.9.4"
 rustc-hash = "1.1.0"
-bstr = "1.5.0"
+bstr = "1.6.1"
 
 [profile.release]
 incremental = true