Bump version

[run test]

Author: awolverp

Cargo.toml

@@ -17,7 +17,7 @@ crate-type = ["cdylib"]
 members = ["treedom", "matching"]
 
 [workspace.package]
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 readme = "README.md"
 license = "MIT"