chore(version): bump to 1.6.0

[Mairuis]

🌟 What’s New in v1.6.0? 🌟

Welcome to version 1.6.0! 🎉🎉🎉 This release is packed with new features, crucial fixes, and various optimisations aimed at enhancing your experience. We've listened to your feedback and made significant improvements across the board.

🎯 Spotlight Feature: Introducing MCP Support! 🎯

We’re thrilled to introduce support for Anthropic’s Model Context Protocol (MCP) — a new industry standard for structuring model inputs and outputs. MCP makes it easier than ever to integrate with cutting-edge language models using a unified, reliable format.
📖 FOR MORE INFORMATION

🚀 New Features

• MCP Support: We've integrated MCP support, opening doors for more seamless interactions. (See feat: add MCP support #20716, by Novice)

⚡ Enhancements

• Drag-and-Drop for Topics: Now, you can easily reorder your topics list with a drag-and-drop sorting feature. (See feat(question-classifier): add drag-and-drop sorting for topics list #22066, by Minamiyama)
• SSL Verify Toggle: You now have the ability to change SSL verification settings in the HTTP Node. (See feat: Allow to change SSL verify in HTTP Node #22052, by Davide Delbianco)
• Batch Embedding Optimisation: Optimised batch embeddings and Qdrant write consistency. (See optimize: batch embedding and qdrant write_consistency_factor parameter #21776, by luckylhb90)
• Question Classifier Enhancements: Introduced instanceId to the class-item editor for sophisticated categorisation. (See feat(question-classifier): add instanceId to class-item editor #22002, by Minamiyama)
• Redis Fallback Mechanism: Added a robust fallback mechanism for Redis to ensure data resilience. (See feat: add redis fallback mechanism #21043 #21044, by NeatGuyCoding)

🐛 Fixes

• Json Output Issue: Resolved an issue with JSON output that was affecting data consistency. (See Fix: Resolve issue with json_output #22053, by baonudesifeizhai)
• Variable Name Uniqueness: Ensured unique variable names in the list to avoid conflicts. (See fix(variable): ensure unique variable names in var-list #22038, by Minamiyama)
• Overflow Hidden Fix in Drawer: Ensured that the copy button remains clickable by adding overflow hidden. (See fix(Drawer): add overflow hidden to ensure copy button is always clickable (#21992) #22103, by Heyang Wang)
• Plugin Daemon Failures: Addressed issues preventing plugin daemons from starting. (See fix: plugin deamon start fail #21841, by Kalo Chin)

Version 1.6.0 brings major process optimisations and removes previous bottlenecks, while introducing the Model Context Protocol (MCP) standard to greatly enhance the consistency and compatibility of model inputs and outputs. This makes integration and extension smoother and more efficient than ever. Huge thanks to all our contributors! We welcome your ongoing feedback to help us keep improving the platform together.