fix: add deepmerge to cli package.json

Author: bhouston

packages/cli/package.json

@@ -49,6 +49,7 @@
   "dependencies": {
     "@sentry/node": "^9.3.0",
     "chalk": "^5",
+    "deepmerge": "^4.3.1",
     "dotenv": "^16",
     "mycoder-agent": "workspace:*",
     "semver": "^7.7.1",