Updates deprecated cohere model name (#115)

Author: justin-cechmanek

python-recipes/llm-message-history/00_llm_message_history.ipynb

@@ -138,7 +138,7 @@
     "import os\n",
     "\n",
     "class CohereClient():\n",
-    "    def __init__(self, api_key: str = None, model: str = 'command-r-plus'):\n",
+    "    def __init__(self, api_key: str = None, model: str = 'command-r-plus-08-2024'):\n",
     "        api_key = api_key or os.getenv(\"COHERE_API_KEY\")\n",
     "        self.client = cohere.Client(api_key)\n",
     "        self._model = model\n",

python-recipes/llm-message-history/01_multiple_sessions.ipynb

@@ -135,7 +135,7 @@
     "import os\n",
     "\n",
     "class CohereClient():\n",
-    "    def __init__(self, api_key: str = None, model: str = 'command-r-plus'):\n",
+    "    def __init__(self, api_key: str = None, model: str = 'command-r-plus-08-2024'):\n",
     "        api_key = api_key or os.getenv(\"COHERE_API_KEY\")\n",
     "        self.client = cohere.Client(api_key)\n",
     "        self._model = model\n",