more spdx license formatting

similar to #90 but for the derive crate

Author: altendky

derive/Cargo.toml

@@ -13,7 +13,7 @@ edition = "2021"
 keywords = ["arbitrary", "testing", "derive", "macro"]
 readme = "README.md"
 description = "Derives arbitrary traits"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/rust-fuzz/arbitrary"
 documentation = "https://docs.rs/arbitrary/"
 rust-version = "1.63.0"