docs: update quick_start.ipynb (#21358)

initalize -> initialize



- [x] **PR title**: "package: description"

docs/docs/modules/agents/quick_start.ipynb

@@ -279,7 +279,7 @@
    "id": "f8014c9d",
    "metadata": {},
    "source": [
-    "Now, we can initalize the agent with the LLM, the prompt, and the tools. The agent is responsible for taking in input and deciding what actions to take. Crucially, the Agent does not execute those actions - that is done by the AgentExecutor (next step). For more information about how to think about these components, see our [conceptual guide](/docs/modules/agents/concepts/)."
+    "Now, we can initialize the agent with the LLM, the prompt, and the tools. The agent is responsible for taking in input and deciding what actions to take. Crucially, the Agent does not execute those actions - that is done by the AgentExecutor (next step). For more information about how to think about these components, see our [conceptual guide](/docs/modules/agents/concepts/)."
    ]
   },
   {