Update vibe-coded badge to 100% [skip vibe-badge]

Author: github-actions[bot]

README.md

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 # MCPecrets
 
+[![100% Vibe_Coded](https://img.shields.io/badge/100%25-Vibe_Coded-ff69b4?style=for-the-badge&logo=claude&logoColor=white)](https://github.com/ai-ecoverse/vibe-coded-badge-action)
+
 A lightweight MCP secrets manager that uses Cloudflare Workers for compute and GitHub for persistence.
 
 ## What it does