Update links to renamed files

Author: subramen

recipes/3p_integrations/langchain/langgraph_rag_agent.ipynb

@@ -5,7 +5,7 @@
    "id": "6912ab05-f66a-40a9-a4a5-4deb80d2e0d9",
    "metadata": {},
    "source": [
-    "<a href=\"https://colab.research.google.com/github/meta-llama/llama-recipes/blob/main/recipes/use_cases/agents/langchain/langgraph-rag-agent.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+    "<a href=\"https://colab.research.google.com/github/meta-llama/llama-recipes/blob/main/recipes/use_cases/agents/langchain/langgraph_rag_agent.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
    ]
   },
   {

recipes/3p_integrations/langchain/langgraph_rag_agent_local.ipynb

@@ -5,7 +5,7 @@
    "id": "1f53f753-12c6-4fac-b910-6e96677d8a49",
    "metadata": {},
    "source": [
-    "<a href=\"https://colab.research.google.com/github/meta-llama/llama-recipes/blob/main/recipes/use_cases/agents/langchain/langgraph-rag-agent-local.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+    "<a href=\"https://colab.research.google.com/github/meta-llama/llama-recipes/blob/main/recipes/use_cases/agents/langchain/langgraph_rag_agent_local.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
    ]
   },
   {

recipes/3p_integrations/langchain/langgraph_tool_calling_agent.ipynb

@@ -5,7 +5,7 @@
    "id": "8ac4ba3b-c438-4f2e-8f52-39846beb5642",
    "metadata": {},
    "source": [
-    "<a href=\"https://colab.research.google.com/github/meta-llama/llama-recipes/blob/main/recipes/use_cases/agents/langchain/langgraph-tool-calling-agent.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+    "<a href=\"https://colab.research.google.com/github/meta-llama/llama-recipes/blob/main/recipes/use_cases/agents/langchain/langgraph_tool_calling_agent.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
    ]
   },
   {