chore: Bump version to 1.6.1

Updated version for email address change release.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Author: GeneAI

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "empathy"
-version = "1.6.0"
+version = "1.6.1"
 description = "A five-level maturity model for AI-human collaboration with anticipatory empathy"
 readme = {file = "README.md", content-type = "text/markdown"}
 requires-python = ">=3.10"