[ImgBot] Optimize images

*Total -- 5,249.72kb -> 5,080.38kb (3.23%)

/scripts/gifs/gif2.gif -- 2,403.91kb -> 2,323.43kb (3.35%)
/scripts/gifs/proof.gif -- 2,845.81kb -> 2,756.95kb (3.12%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp