Update license field following SPDX 2.1 license expression standard

packages/hot-reload/Cargo.toml

@@ -2,7 +2,7 @@
 name = "dioxus-hot-reload"
 version = "0.1.1"
 edition = "2021"
-license = "MIT/Apache-2.0"
+license = "MIT OR Apache-2.0"
 repository = "https://github.com/DioxusLabs/dioxus/"
 homepage = "https://dioxuslabs.com/docs/0.3/guide/en/getting_started/hot_reload.html"
 description = "Hot reloading utilites for Dioxus"