Update license to match other bevy crates

Author: LegNeato

crates/bevy_entropy/Cargo.toml

@@ -9,7 +9,7 @@ authors = [
 description = "Provides entropy functionality for Bevy Engine"
 homepage = "https://bevyengine.org"
 repository = "https://github.com/bevyengine/bevy"
-license = "MIT"
+license = "MIT OR Apache-2.0"
 keywords = ["bevy", "random", "entropy"]
 
 [dependencies]