chore: upgrade smt version to 0.6.1

Code Monad · Code Monad · commit 3dabab56ba7b · 2022-11-22T18:35:02.000+08:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sparse-merkle-tree"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["jjy <jjyruby@gmail.com>"]
 edition = "2018"
 license = "MIT"
