adjust dot doctest

Author: shobsi

third_party/bigframes_vendored/pandas/core/series.py

@@ -1480,10 +1480,10 @@ def dot(self, other) -> Series | np.ndarray:
             ...                        "b" : [-10, 20, -30, 40],
             ...                        "c" : [-1, 2, -3, bpd.NA]})
             >>> s @ other
-            a     8.0
-            b    80.0
+            a       8
+            b      80
             c    <NA>
-            dtype: Float64
+            dtype: Int64
 
         Args:
             other (Series, or DataFrame):