Release notes 0.13.3

Release notes 0.13.3:
-Fixed gamepad not being able to purchase upgrades
-Fixed the navigation between upgrades on Steamdeck
-Fixed the player's ability to switch to an empty tree on the skill tree menu
-Fixed the sizing of upgrades on the PC
-Show an activation key on the skill menu when selecting skills
-When switching between skill trees on a gamepad, automatically select a skill on that tree