My thought is that you should not do that.
Very unlikely that you will gain all that much with respect to performance and very likely create immediate or future problems.
FYI:
https://www.techconsumerguide.com/overclock-laptop-gpu/
From the above link:
"Always make sure you read expert guides on how to overclock your laptop GPU before you actually do it."
You will really need to dig into the hardware's details and supported configurations with and without overclocking.
PSU wattage may be a limiting factor or concern.
Moving your post to PC Gaming.
Someone may have already tried the subject overclocking on your laptop and may post accordingly.