change edition to 2021 in exercices.rs

workaround for this issue https://github.com/rust-lang/rustlings/issues/1022
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KatanaFluorescent 2022-07-01 16:49:36 +02:00 committed by GitHub
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@ -121,7 +121,7 @@ impl Exercise {
r#"[package]
name = "{}"
version = "0.0.1"
edition = "2018"
edition = "2021"
[[bin]]
name = "{}"
path = "{}.rs""#,