chore: bump ext-apps to 1.1.1 (#496)

Bug fixes / improvements since 1.1.0:
- fix: add audio/video support for basic-host (#460)
- fix(pdf-server): remove page-loading overlay (#493)
- pdf-server: remove domain allowlist, require HTTPS only (#487)
- Set audioSession.type to playback in sheet music app (#489)
- Add MCPB packaging and Claude Code plugin for pdf-server (#491)

examples/quickstart/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@modelcontextprotocol/quickstart",
-  "version": "0.4.1",
+  "version": "1.1.1",
   "type": "module",
   "private": true,
   "description": "Quickstart MCP App Server example",