Fix script to use GitHub CLI for release notes.
Fix script to use GitHub CLI for release notes.

matham/kivy,rnixx/kivy,rnixx/kivy,kivy/kivy,kivy/kivy,matham/kivy,kivy/kivy,akshayaurora/kivy,akshayaurora/kivy,rnixx/kivy,matham/kivy,matham/kivy,akshayaurora/kivy