Bump to version 1.6.0 (#218)

Signed-off-by: Xuanwo <[email protected]>

Author: Xuanwo

backon/Cargo.toml

@@ -4,7 +4,7 @@ documentation = "https://docs.rs/backon"
 name = "backon"
 readme = "../README.md"
 rust-version = "1.85"
-version = "1.5.2"
+version = "1.6.0"
 
 edition.workspace = true
 license.workspace = true