chore: Bump version to v0.5.1

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Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: sionsmith

Cargo.toml

@@ -3,7 +3,7 @@ resolver = "2"
 members = ["crates/kafka-remapper-core", "crates/kafka-remapper-cli"]
 
 [workspace.package]
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 rust-version = "1.75"
 license = "Apache-2.0"