bump mercury_trigger plugin to version 0.4.9

[Alai-sudo]

Plugin Submission Form

1. Metadata

• Plugin Author: petrus
• Plugin Name: mercury_trigger
• Repository URL: https://github.com/Petrus-Han/finance_plugins

2. Submission Type

• New plugin submission

3. Description

Mercury webhook trigger for real-time transaction event sync

4. Checklist

• I have read and followed the Publish to Dify Marketplace guidelines
• I have read and comply with the Plugin Developer Agreement
• I confirm my plugin works properly on both Dify Community Edition and Cloud Version
• I confirm my plugin has been thoroughly tested for completeness and functionality
• My plugin brings new value to Dify

5. Documentation Checklist

• Step-by-step setup instructions
• Detailed usage instructions
• All required APIs and credentials are clearly listed
• Connection requirements and configuration details
• Link to the repository for the plugin source code

6. Privacy Protection Information

Data Collection

See PRIVACY.md in the plugin package.

Privacy Policy

• I confirm that I have prepared and included a privacy policy in my plugin package