Update dependency @azure/openai to v2

Author: renovate[bot]

package-lock.json

@@ -69,7 +69,7 @@
     "vite": "6.3.5"
   },
   "dependencies": {
-    "@azure/openai": "^1.0.0-beta.11",
+    "@azure/openai": "^2.0.0",
     "@dqbd/tiktoken": "^1.0.16",
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.0",