bump version to 0.3.9 (#601)

Author: JannikSt

Cargo.lock

@@ -40,7 +40,7 @@ iroh = "0.34.1"
 rand_v8 = { package = "rand", version = "0.8.5", features = ["std"] }
 rand_core_v6 = { package = "rand_core", version = "0.6.4", features = ["std"] }
 [workspace.package]
-version = "0.3.8"
+version = "0.3.9"
 edition = "2021"
 
 [workspace.features]