Use new keycap shape from elementary icons

[danirabbit]

Hey, just wanted to let you know that I updated the keycap style icon in elementary icons in case you wanted to use that for Warble's icon. It's a bit more rounded without the inset gradient. It looks like this:

You can find it here: https://github.com/elementary/icons/blob/master/categories/64/preferences-desktop-keyboard.svg

I'm unfortunately missing 128px at the moment, sorry!