chore: bump version

Author: prestwich

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "signet-libmdbx"
 description = "Idiomatic and safe MDBX wrapper"
-version = "0.1.1"
+version = "0.2.0"
 edition = "2024"
 rust-version = "1.92"
 license = "MIT OR Apache-2.0"