dependencies: Update bindgen version

With 0.60, Debug is only derived where that derive is possible w/rt
unaligned access to fields of packed structs.

Author: chrysn

Cargo.toml

@@ -24,7 +24,7 @@ riot-build = { version = "0.1.0", optional = true }
 riot-rs-core = { version = "0.1.0", optional = true }
 
 [build-dependencies]
-bindgen = "^0.59.1"
+bindgen = "^0.60.1"
 shlex = "^1"
 serde_json = "1"
 serde = { version = "1", features = [ "derive" ] }