fix: sync __version__ with pyproject.toml (1.0.0-alpha -> 2.0.1)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mosiddi

src/agentmesh/__init__.py

@@ -9,7 +9,7 @@
 Version: 1.0.0-alpha
 """
 
-__version__ = "1.0.0-alpha"
+__version__ = "2.0.1"
 
 # Layer 1: Identity & Zero-Trust Core
 from .identity import (