[ImgBot] Optimize images

*Total -- 3,571.97kb -> 3,048.00kb (14.67%)

/public/event/mockInterview.png -- 1,462.12kb -> 967.83kb (33.81%)
/public/logo/favico-apple.png -- 9.11kb -> 7.54kb (17.33%)
/public/og/cover.png -- 62.29kb -> 52.56kb (15.61%)
/public/event/coffeeChat.png -- 199.95kb -> 183.15kb (8.4%)
/public/logo/logoInDark.svg -- 919.25kb -> 918.45kb (0.09%)
/public/logo/logoInLight.svg -- 919.25kb -> 918.46kb (0.09%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: ImgBotApp