fix: update dependencies in colab notebook for GRPOTrainer

scripts/gridmind_grpo_colab.ipynb

@@ -33,17 +33,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Install dependencies\n",
-    "!pip install -U git+https://github.com/huggingface/trl.git transformers>=4.41.0 torch accelerate datasets requests -q\\n",
-    "\n",
-    "import torch\n",
-    "import sys\n",
-    "\n",
-    "print(f\"PyTorch: {torch.__version__}\")\n",
-    "print(f\"CUDA available: {torch.cuda.is_available()}\")\n",
-    "if torch.cuda.is_available():\n",
-    "    print(f\"GPU: {torch.cuda.get_device_name(0)}\")\n",
-    "    print(f\"VRAM: {torch.cuda.get_device_properties(0).total_memory / 1e9:.1f} GB\")"
+    "!pip install trl transformers accelerate datasets unsloth requests pandas matplotlib\n",
+    "import os\n",
+    "os.makedirs('results', exist_ok=True)\n",
+    "print(\"\u2714 All dependencies installed\")\n"
    ]
   },
   {