Switch to new-alloc-api branch

Author: f-bro

Cargo.lock

@@ -17,7 +17,7 @@ spin = "0.4.5"
 volatile = "0.2.1"
 net = {git = "https://github.com/embed-rs/net.git"}
 rusttype = {git = "https://github.com/phil-opp/rusttype.git", branch = "no_std"}
-alloc-cortex-m = {git = "https://github.com/f-bro/alloc-cortex-m.git", branch = "alloc_api"}
+alloc-cortex-m = {git = "https://github.com/f-bro/alloc-cortex-m.git", branch = "new-alloc-api"}
 
 [dependencies.arrayvec]
 default-features = false