Update rcpr dep to 0.2.1 tag

Author: drobnyjt

Cargo.toml

@@ -24,7 +24,7 @@ rayon = "1.10.0"
 geo = {version = "0.25", optional = false}
 indicatif = {version = "0.18.6", features=["rayon"]}
 serde = { version = "1.0.163", features = ["derive"] }
-rcpr = { git = "https://github.com/drobnyjt/rcpr", optional = true}
+rcpr = { git = "https://github.com/drobnyjt/rcpr", optional = true, tag="0.2.1"}
 ndarray = {version = "0.17.2", features = ["serde"], optional = true}
 parry3d-f64 = {optional = true, version="0.2.0"}
 pyo3 = {version = "0.29.0", optional=true}