fix: use stable ai sdk dep

Author: markacianfrani

examples/ai/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "@github/models": "file:../../",
-    "ai": "beta",
+    "ai": "^5.0.68",
     "dotenv": "^17"
   }
 }

package-lock.json

@@ -37,21 +37,22 @@
   },
   "homepage": "https://github.com/github/models-ai-sdk#readme",
   "dependencies": {
-    "@ai-sdk/openai-compatible": "beta",
-    "@ai-sdk/provider": "beta",
-    "@ai-sdk/provider-utils": "beta"
+    "@ai-sdk/openai-compatible": "^1.0.21",
+    "@ai-sdk/provider": "^2.0.0",
+    "@ai-sdk/provider-utils": "^3.0.12",
+    "ai": "^5.0.68"
   },
   "devDependencies": {
     "@github/prettier-config": "0.0.6",
     "@types/node": "^24",
+    "dotenv": "^17.2.3",
     "eslint": "^9",
     "eslint-plugin-github": "^6",
     "eslint-plugin-simple-import-sort": "12.1.1",
     "prettier": "^3",
     "tsup": "^8.3.0",
     "typescript": "^5.9.3",
-    "vitest": "^3",
-    "dotenv": "^17.2.3"
+    "vitest": "^3"
   },
   "engines": {
     "node": ">=20"