backoff: change edition to 2021 in Cargo.toml

pythcoiner · pythcoiner · commit e1f9d37c435b · 2025-05-02T19:47:14.000+02:00
diff --git a/rust/backoff/Cargo.toml b/rust/backoff/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "backoff"
 version = "0.1.0"
-edition = "2024"
+edition = "2021"
 
 [dependencies]
 rand.workspace = true
