chore: bump version to 0.4.2

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: TTTPOB

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "jupyter-jcli"
-version = "0.4.1"
+version = "0.4.2"
 description = "CLI tool for LLM agents to operate Jupyter Lab servers"
 requires-python = ">=3.10"
 license = "MIT"