chore(deps): bump @modelcontextprotocol/sdk from 1.25.2 to 1.26.0 (#6384)

Bumps [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) from 1.25.2 to 1.26.0.
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](https://github.com/modelcontextprotocol/typescript-sdk/compare/v1.25.2...v1.26.0)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.26.0
  dependency-type: direct:production
...

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projects/app/package.json

@@ -25,7 +25,7 @@
     "@fastgpt/service": "workspace:*",
     "@fastgpt/web": "workspace:*",
     "@fortaine/fetch-event-source": "^3.0.6",
-    "@modelcontextprotocol/sdk": "^1.25.2",
+    "@modelcontextprotocol/sdk": "^1.26.0",
     "@node-rs/jieba": "2.0.1",
     "@scalar/api-reference-react": "^0.8.1",
     "@tanstack/react-query": "^4.24.10",

projects/mcp_server/package.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@fastgpt/global": "workspace:*",
-    "@modelcontextprotocol/sdk": "^1.25.2",
+    "@modelcontextprotocol/sdk": "^1.26.0",
     "chalk": "^5.3.0",
     "dayjs": "^1.11.7",
     "dotenv": "^16.5.0",