Bump keyvalues-serde to v0.2.1 (#50)

Author: CosmicHorrorDev

keyvalues-serde/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "keyvalues-serde"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 rust-version = "1.61"