chore: update license in Cargo.toml (#2)

Author: muktihari

Cargo.lock

@@ -1,11 +1,11 @@
 [package]
 name = "rustyfit"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2024"
 description = "This project hosts the Rust implementation for The Flexible and Interoperable Data Transfer (FIT) Protocol"
 authors = ["Hikmatulloh Hari Mukti <muktihaz@gmail.com>"]
 readme = "../README.md"
-license-file = "../LICENSE-BSD-3-CLAUSE"
+license = "BSD-3-Clause"
 include = ["Cargo.toml", "src/**"]
 categories = ["encoding", "parser-implementations"]
 repository = "https://github.com/muktihari/rustyfit"