chore: bump version to 2.3.0 for new tools release

- Added analyze_file tool for clean file analysis
- Added extended_think tool for collaborative thinking
- Significant new functionality warrants minor version bump

setup.py

@@ -13,7 +13,7 @@ if readme_path.exists():
 
 setup(
     name="gemini-mcp-server",
-    version="2.2.0",
+    version="2.3.0",
     description="Model Context Protocol server for Google Gemini",
     long_description=long_description,
     long_description_content_type="text/markdown",