[Docs] Replace binary images with SVG

[abravalheri]

Summary

According to

I'd recommend not to add blobs into the repo. Sphinx and any other modern web tool works with SVG just fine. Besides poisoning the Git bare repo size, it can also look ugly when scaled for folks with 200% default browser zoom (I have this, for example) + SVG is more optimized for the network transfer meaning faster page loads.

Originally posted by @webknjaz in #2853 (comment)

The best approach is to have all SVG images, and preferably remove binary files from the git repo.

OS / Environment

No response

Additional Information

There is some discussion in #2853.

According to https://caniuse.com/link-icon-svg, not all the browsers support SVG, however, a recent article seems to indicate that Safari does support it, which means that all major desktop browsers are covered.

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