release: Bump version to 2.1.3 with dependency updates

- Upgrade Codecov action to v5
- Update MCP dependencies for pydantic compatibility

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

Author: 2 people

CHANGELOG.md

@@ -5,6 +5,14 @@ All notable changes to MemDocs will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.1.3] - 2025-12-01
+
+### Changed
+- Upgraded Codecov action to v5 with verbose output for better CI integration
+- Updated MCP dependencies for compatibility (pydantic, httpx, uvicorn, pydantic-settings, python-multipart)
+
+---
+
 ## [2.1.2] - 2025-11-29
 
 ### Changed