chore: bump version to 2.8.0

- Added review_pending_changes tool for pre-commit validation
- Fixed bug where temp files were outside project root causing NO FILES FOUND error
- Enhanced README with Claude + Gemini collaboration branding
- Fixed various linting issues
- All tests passing (65 tests)

setup.py

@@ -14,7 +14,7 @@ if readme_path.exists():
 
 setup(
     name="gemini-mcp-server",
-    version="2.7.0",
+    version="2.8.0",
     description="Model Context Protocol server for Google Gemini",
     long_description=long_description,
     long_description_content_type="text/markdown",