chore: bump version to 1.4.1

- Add llms.txt documentation
- Rewrite CLAUDE.md with project-specific guidance
- Replace QEMU Docker builds with native ARM64 runners
- Add tool icons metadata (SEP-973)
- Fix test suite for exception-based error handling

Co-authored-by: Marvin <marvin@openclaw.ai>

Author: alexei-led

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "k8s-mcp-server"
-version = "1.4.0"
+version = "1.4.1"
 description = "MCP Server for Kubernetes CLI tools (kubectl, istioctl, helm, argocd)"
 readme = "README.md"
 requires-python = ">=3.13"