Fix logo src URL
Fix logo src URL

I accidentally broke this in #1643, the change to the src URL wasn't intentional.

Chillee/Vim,westim/Vim,VSCodeVim/Vim,Chillee/VSCodeNeovim,VSCodeVim/Vim,westim/Vim,westim/Vim,Chillee/Vim,Chillee/VSCodeNeovim,Chillee/VSCodeNeovim