docs: Update size requirements for company logos (#2808)

Signed-off-by: redoomed1 <[email protected]>
Co-Authored-By: Jonah Aragon <[email protected]>

docs/meta/uploading-images.md

@@ -9,10 +9,7 @@ If you make changes to this website that involve adding new images or replacing
 
 - We **prefer** SVG images, but if those do not exist we can use PNG images. Additionally, for cover images, we prefer that they are obtained from [Unsplash](https://unsplash.com) and are in the WebP format.
 
-Company logos have canvas size of:
-
-- 128x128px
-- 384x128px
+Company logos should be square if possible, and at least 200x200px if they are PNGs (non-vector images).
 
 ## Optimization