Modify the data type of the operator parameter under math_ops.py from math.cumsum
Modify the official document information of the operator under **tf.math.cumsum**. Kindly find the [gist](https://colab.research.google.com/gist/tilakrayal/56bc95c39c5f278b7d8cc39115c8e113/untitled1142.ipynb) for the reference. 
Fixes #60485 
