fix: dummy_agent_library.ipynb

These calls need larger `max_new_tokens`.
200 is too low and truncates meaningful output.

dummy_agent_library.ipynb

@@ -436,7 +436,7 @@
     "# Do you see the problem?\n",
     "output = client.text_generation(\n",
     "    prompt,\n",
-    "    max_new_tokens=200,\n",
+    "    max_new_tokens=2000,\n",
     ")\n",
     "\n",
     "print(output)"
@@ -488,7 +488,7 @@
     "# The answer was hallucinated by the model. We need to stop to actually execute the function!\n",
     "output = client.text_generation(\n",
     "    prompt,\n",
-    "    max_new_tokens=200,\n",
+    "    max_new_tokens=2000,\n",
     "    stop=[\"Observation:\"] # Let's stop before any actual function is called\n",
     ")\n",
     "\n",