edition 2021

Our MSRV allows this now

Signed-off-by: Marc-Antoine Perennou <[email protected]>

Author: Keruspe

Cargo.toml

@@ -3,7 +3,7 @@ name = "async-global-executor"
 version = "2.0.4"
 authors = ["Marc-Antoine Perennou <[email protected]>"]
 description =  "A global executor built on top of async-executor and async-io"
-edition = "2018"
+edition = "2021"
 license = "Apache-2.0 OR MIT"
 repository = "https://github.com/Keruspe/async-global-executor"
 homepage = "https://github.com/Keruspe/async-global-executor"