Bump @modelcontextprotocol/sdk from 1.30.0 to 1.31.0 in /mcp (#401)

Bumps [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) from 1.30.0 to 1.31.0.
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@1.30.0...1.31.0)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.31.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

mcp/package-lock.json

@@ -11,7 +11,7 @@
         "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js --config jest.config.js"
     },
     "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.30.0",
+        "@modelcontextprotocol/sdk": "^1.31.0",
         "playwright": "^1.50.0",
         "zod": "^3.24.0"
     },