chore(release): bump version to 0.1.5

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: easel

Cargo.toml

@@ -16,7 +16,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.1.4"
+version = "0.1.5"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/easylabz/axon"