docs: use invoke instead of run (langchain-ai#19457)

Updated the deprecated run with invoke

Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>

docs/docs/integrations/toolkits/pandas.ipynb

@@ -116,7 +116,7 @@
     }
    ],
    "source": [
-    "agent.run(\"how many rows are there?\")"
+    "agent.invoke(\"how many rows are there?\")"
    ]
   },
   {
@@ -154,7 +154,7 @@
     }
    ],
    "source": [
-    "agent.run(\"how many people have more than 3 siblings\")"
+    "agent.invoke(\"how many people have more than 3 siblings\")"
    ]
   },
   {
@@ -204,7 +204,7 @@
     }
    ],
    "source": [
-    "agent.run(\"whats the square root of the average age?\")"
+    "agent.invoke(\"whats the square root of the average age?\")"
    ]
   },
   {
@@ -264,7 +264,7 @@
    ],
    "source": [
     "agent = create_pandas_dataframe_agent(OpenAI(temperature=0), [df, df1], verbose=True)\n",
-    "agent.run(\"how many rows in the age column are different?\")"
+    "agent.invoke(\"how many rows in the age column are different?\")"
    ]
   },
   {