docs: mark anthropic tools wrapper as deprecated (#20024)

docs/docs/integrations/chat/anthropic_functions.ipynb

@@ -5,7 +5,13 @@
    "id": "5125a1e3",
    "metadata": {},
    "source": [
-    "# Anthropic Tools\n",
+    "# [Deprecated] Experimental Anthropic Tools Wrapper\n",
+    "\n",
+    "::: {.callout-warning}\n",
+    "\n",
+    "The Anthropic API officially supports tool-calling so this workaround is no longer needed. Please use [ChatAnthropic](/docs/integrations/chat/anthropic) with `langchain-anthropic>=0.1.5`.\n",
+    "\n",
+    ":::\n",
     "\n",
     "This notebook shows how to use an experimental wrapper around Anthropic that gives it tool calling and structured output capabilities. It follows Anthropic's guide [here](https://docs.anthropic.com/claude/docs/functions-external-tools)\n",
     "\n",
@@ -116,7 +122,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.9.1"
   }
  },
  "nbformat": 4,