upgrade the rust edition

sylvestre · sylvestre · commit 865f97c78da5 · 2024-01-24T09:30:11.000+01:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,13 +1,13 @@
 [package]
 name = "diffutils"
 version = "0.3.0"
-edition = "2018"
+edition = "2021"
 description = "A CLI app for generating diff files"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/uutils/diffutils"
 
 [lib]
-name = "diffutils"
+name = "diffutilslib"
 path = "src/lib.rs"
 
 [[bin]]
