Change: make license spdx compliant

Author: jjnicola

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "tokio-rustls"
 version = "0.26.0"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/rustls/tokio-rustls"
 homepage = "https://github.com/rustls/tokio-rustls"
 documentation = "https://docs.rs/tokio-rustls"