fix(deps): update dependency @growthbook/growthbook-react to ^0.15.0

Author: renovate[bot]

packages/featureflags/package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "dependencies": {
     "@growthbook/growthbook": "^0.18.1",
-    "@growthbook/growthbook-react": "^0.9.1",
+    "@growthbook/growthbook-react": "^0.15.0",
     "@open-condo/config": "workspace:^",
     "@open-condo/keystone": "workspace:^",
     "express": "^4.17.1"