chore: bump version to 2.10.1 for memory leak fix release

- Updated version in package.json and package.runtime.json
- Updated README version badge
- Moved changelog entry from Unreleased to v2.10.1
- Added version comparison link for v2.10.1

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Co-Authored-By: Claude <noreply@anthropic.com>

docs/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.10.1] - 2025-08-02
+
 ### Fixed
 - **Memory Leak in SimpleCache**: Fixed critical memory leak causing MCP server connection loss after several hours (fixes #118)
   - Added proper timer cleanup in `SimpleCache.destroy()` method
@@ -1082,6 +1084,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Basic n8n and MCP integration
 - Core workflow automation features
 
+[2.10.1]: https://github.com/czlonkowski/n8n-mcp/compare/v2.10.0...v2.10.1
 [2.10.0]: https://github.com/czlonkowski/n8n-mcp/compare/v2.9.1...v2.10.0
 [2.9.1]: https://github.com/czlonkowski/n8n-mcp/compare/v2.9.0...v2.9.1
 [2.9.0]: https://github.com/czlonkowski/n8n-mcp/compare/v2.8.3...v2.9.0