[dependencies]: Bump @modelcontextprotocol/sdk from 1.20.2 to 1.21.0

Bumps [@modelcontextprotocol/sdk](https://github.com/modelcontextprotocol/typescript-sdk) from 1.20.2 to 1.21.0.
- [Release notes](https://github.com/modelcontextprotocol/typescript-sdk/releases)
- [Commits](modelcontextprotocol/typescript-sdk@1.20.2...1.21.0)

---
updated-dependencies:
- dependency-name: "@modelcontextprotocol/sdk"
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -39,7 +39,7 @@
   "dependencies": {
     "@azure/identity": "^4.10.0",
     "@azure/msal-node": "^3.6.0",
-    "@modelcontextprotocol/sdk": "1.20.2",
+    "@modelcontextprotocol/sdk": "1.21.0",
     "azure-devops-extension-api": "^4.252.0",
     "azure-devops-extension-sdk": "^4.0.2",
     "azure-devops-node-api": "^15.1.0",