Dragon’s Dogma 2 will automatically enabled adaptive triggers if you are playing the game with a DualSense controller. To see how you can disable the resistance from the L2 and R2 buttons, you can take a look at this tutorial from Seeking Tech.
1. Open the pause menu and then select System.
2. In the System menu, select Controls.
3. You should find the Adaptive Triggers option in the next screen with the following description:
Select whether or not to enable the trigger effect function when aiming the bow.
4. Make sure that Adaptive Triggers option is set to Off.