Release v0.12.0

Author: jiegec

Cargo.toml

@@ -5,7 +5,7 @@ documentation = "https://docs.rs/buddy_system_allocator"
 homepage = "https://github.com/rcore-os/buddy_system_allocator"
 repository = "https://github.com/rcore-os/buddy_system_allocator"
 keywords = ["allocator", "no_std", "heap"]
-version = "0.11.0"
+version = "0.12.0"
 authors = [
   "Jiajie Chen <c@jia.je>",
   "Vinay Chandra Dommeti <github@vinay.vc>",