chore: bump ext-apps to 1.2.1

Changes since 1.2.0:
- fix: bundle SDK+zod in react-with-deps (was byte-identical to ./react) (#539)
- fix(build): copy schema.json to dist and externalize zod (#534)
- fix: skip debug log for high-frequency tool-input-partial notifications (#546)
- fix(deps): drop @hono/node-server override to patch GHSA-wc8c-qw6v-h7f6 (#535)
- fix(readme): use picture element for theme-aware logo (#545)
- fix(ci): require maintainer association for /update-snapshots trigger (#532)
- fix: pre-commit stages only originally-staged files; add .npmrc (#538)
- ci: use npm ci with caching, validate typedoc links, align Node versions (#533)
- test: exclude screenshot-gen from default E2E run; wire pdf-server tests (#537)

package.json

@@ -5,7 +5,7 @@
     "url": "https://github.com/modelcontextprotocol/ext-apps"
   },
   "homepage": "https://github.com/modelcontextprotocol/ext-apps",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "license": "MIT",
   "description": "MCP Apps SDK — Enable MCP servers to display interactive user interfaces in conversational clients.",
   "type": "module",
@@ -79,9 +79,10 @@
     "@modelcontextprotocol/sdk": "1.25.2",
     "@playwright/test": "1.57.0",
     "@types/bun": "^1.3.2",
+    "@types/node": "20.19.27",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.2",
-    "@types/node": "20.19.27",
+    "bun": "^1.2.21",
     "caniuse-lite": "1.0.30001763",
     "cheerio": "1.1.2",
     "concurrently": "^9.2.1",
@@ -103,7 +104,6 @@
     "typedoc": "^0.28.14",
     "typedoc-github-theme": "^0.4.0",
     "typescript": "^5.9.3",
-    "bun": "^1.2.21",
     "zod": "^4.1.13"
   },
   "peerDependencies": {